Slater Ch.22 Business Statistics Exam Questions

Practical Business Math Procedures, 13e (Slater)

Chapter 22 Business Statistics

1) All means should be rounded to the nearest tenth.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

2) The sum of products divided by the sum of frequencies equals the weighted mean.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

3) A median will distort an average that has one or more extreme values.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (3) Define and calculate the median.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

4) The median is the middle value for an even number of values.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (3) Define and calculate the median.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

5) If all values are different, there is no mode.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

6) A frequency distribution tries to avoid organizing numbers to show what patterns exist.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

7) The height of a bar chart represents the frequency.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

8) Intervals should be of unequal size.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

9) A line graph may be used to discover trends.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

10) 360° represents 100% of a circle graph.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

11) A consumer price index is an example of a price relative.

Difficulty: 1 Easy

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

12) Calculating one's grade point average is an example of using the median.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

13) Frequency of occurrence is used in finding the weighted mean.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

14) Value times frequency equals product.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

15) In finding the mode, you must arrange values from smallest to largest.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

16) The median is a better indicator than the mean if there are extreme values.

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

17) Bar charts are nonvisual presentations of data.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

18) Intervals can be used with bar graphs.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

19) To draw a circle graph, each part should be converted.

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

20) The range is the difference between the highest and lowest values in a series or group of values.

Difficulty: 1 Easy

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

21) In a normal distribution, data is spread asymmetrically about the median.

Difficulty: 1 Easy

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (2) Define and calculate the standard deviation.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

22) 9.1% of a circle graph represents

A) 32.76°

B) 37.26°

C) 42°

D) 45°

E) None of these

Difficulty: 2 Medium

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

23) The mean of the following is:

14, 8, 3, 8, 5

A) 7.2

B) 7.1

C) 7.4

D) 7.5

E) None of these

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

24) From the following numbers, the median is:

16, 9, 10, 5, 4

A) 9

B) 4

C) 5

D) 10

E) None of these

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (3) Define and calculate the median.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

25) Find the median from the following numbers:

15, 8, 7, 5, 4, 1, 9, 16

A) 7.5

B) 7.0

C) 8.0

D) 8.5

E) None of these

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (3) Define and calculate the median.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

26) Find the mode:

6, 6, 8, 9, 3, 9, 6, 3

A) 4

B) 3

C) 9

D) 6

E) None of these

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

27) Hector Ramirez received three A's and one B in his college courses. What is his grade point average? Assume each course is three credits. A = 4.0, B = 3.0, C = 2.0, D = 1.0

A) 3.0

B) 3.25

C) 3.75

D) 3.80

E) None of these

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

28) Alvin's Bakery produced the following number of oat bran muffins each week:

In a frequency distribution, which would have the lowest tally?

A) 600

B) 700

C) 500

D) 650

E) None of these

Difficulty: 2 Medium

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

29) Today the price of a Jeep is $25,000. In 1970 the price was $5,000. What is the price relative?

A) $600

B) $166

C) $300

D) $400

E) None of these

Difficulty: 2 Medium

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

30) To avoid distortion of extreme values, a good indicator would be the:

A) Mean

B) Median

C) Weighted-mean

D) Mode

E) None of these

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (3) Define and calculate the median.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

31) Which is incorrect?

A) The highest bar in a bar graph shows the category with greatest frequency

B) A bar graph is the same as a line graph

C) Circle graphs have sectors based on categories

D) A circle graph is based on 360°

E) None of these

Difficulty: 1 Easy

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

32) Calculate the weighted mean from the following sales:

$400, $700, $300, $600, $300, $400, $700

A) $472.11

B) $500.00

C) $550.33

D) $485.71

E) None of these

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

33) Phil's Barbeque sold the following dinners in one hour.

What was the average dollar mean?

A) $10.70

B) $12.97

C) $6.35

D) $10.00

E) None of these

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

34) What is the weighted mean frequency for the following car sales (round answer to nearest whole dollar)?

2 sold at $25,090, 3 sold at $20,000, 1 sold at $21,475, and 1 sold at $39,638

A) $24,740

B) $24,000

C) $21,241

D) $24,470

E) None of these

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

35) Find the mean (do not round): 38 + 18.05 + 25 + 26 + 46

A) 21.4

B) 23

C) 22

D) 30.61

E) None of these

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

36) Professor Bowdidge taught four Business Statistics classes during the fall semester with the following grade averages for each class. Calculate the mean (round to the nearest hundredth):

82%, 86%, 91%, and 74%

A) 83.25%

B) 83.12%

C) 83.00%

D) 85.00%

E) None of these

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

37) Calculate the mode from the following:

71, 3, 13, 33, 3, 71, 14, 33, 13, 33

A) 3

B) 13

C) 33

D) 71

E) None of these

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

38) The range of 105, 100, 79, 86, 101, 94, 98, 87, and 83 is:

A) 26

B) 92

C) 96

D) 94

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

39) The range of 35, 22, 43, 18, 22, 27, 48, 39, 31, and 16 is:

A) 32

B) 30

C) 29

D) 22

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

40) The range of 55, 93, 48, 53, 55, 93, 63, 80, 75, and 55 is:

A) 45

B) 67

C) 59

D) 55

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

41) Assume the mean useful life of a particular light bulb is 2,000 hours and is normally distributed with a standard deviation of 300 hours. Calculate the useful life of the light bulb within two standard deviations of the mean.

A) Between 1,700 and 2,300 hours

B) Longer than 2,300 hours

C) Longer than 1,700 hours

D) Between 1,400 and 2,600 hours

Difficulty: 3 Hard

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (3) Estimate percentage of data by using standard deviations.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

42) What is the mode of 22, 22, 27, 29, 34, 34, and 38?

A) 22

B) 29

C) 34

D) 22 and 34

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

43) The range of 105, 108, 117, 122, 129, and 129 is:

A) 129

B) 117

C) 122

D) 24

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

44) The range of 17, 24, 24, 27, 29, 31, and 36 is:

A) 17

B) 26

C) 24

D) 19

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

Match the following terms with their definitions.

A) Value that occurs most often

B) Used in a frequency distribution

C) Middle number is median

D) Line graph

E) Sum of all values / Number of values

F) Does not distort an average that has one or more extreme values

G) Height represents frequency

H) Current price x 100 base year price

I) 360

J) Sum of products + sum of frequencies

45) Price relative

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

46) Mode

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

47) Bar chart

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

48) Odd number of values

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

49) Shows trends

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

50) Weighted mean

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

51) Circle graphs

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

52) Tally

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

53) Median

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

54) Mean

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

55) Mean

Difficulty: 1 Easy

Topic: LU 22-01 Mean, Median, and Mode; LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.; 22-02 (1) Prepare a frequency distribution.; 22-02 (2) Prepare bar, line, and circle graphs.; 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Remember

Type: Static

Accessibility: Keyboard Navigation

Answers: 45) H 46) A 47) G 48) C 49) D 50) J 51) I 52) B 53) F 54) E 55) E

56) Find the mean (to the nearest tenth): .015, .082, .839, .851

(.015 + .082 + .839 + .851)/4 = .4.

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

57) Calculate the mean: $300, $600, $500, $300, $300, $600, $500, $500

($300 + $600 + $500 + $300 + $300 + $600 + $500 + $500) = $3,600 / 8 = $450.

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

58) Find the median:

25, 18, 17, 29, 40

17, 18, 25, 29, 40.

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (3) Define and calculate the median.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

59) Find the mode:

8, 9, 6, 3, 6, 6, 9, 6, 8, 8, 9

The number 6 appears the most frequently.

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

60) Jim's Donut Shop reported the following sales for the first 20 days:

Complete a frequency distribution.

$100 = 7, $200 = 4, $300 = 3, $400 = 4, $500 = 2.

Difficulty: 2 Medium

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

61) How many degrees on a pie chart would each be given from the following (round to the nearest tenth)?

Wears Nike 42%

Wears Reebok 38%

Never wears sneakers 20%

.42 × 360° = 151.2°; .38 × 360° = 136.8°; .20 × 360° = 72.0°.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

62) Given the following sales of Roe Co., prepare a line graph (run sales to $50,000 in increments of $10,000):

2015 $8,000

2016 $26,000

2017 $48,000

2018 $44,000

Graph in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

63) At North Shore Community College, Bill Martin took four three-credit courses. He received an A in Economics and three B's (Business Math, Accounting, and Psychology). What is his grade point average (to the hundredth)? Assume A = 4.0, B = 3.0.

(1 x 4.0 + 3 x 3.0) / 4 = 13; 13 / 4 = 3.25.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

64) Sonny Industries reported record profits of 37% this fiscal year. Cost of sales was 38%, and operating expenses were 25%. How many degrees on a circle graph would each be given (round to the nearest tenth degree)?

profits = .37 × 360° = 133.2°; cost of sales = .38 × 360° = 136.8°; expenses = .25 × 360° = 90°.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

65) Janet's Bake Shop produced the following number of oat bran muffins each week for the first 10 weeks. Prepare a bar graph.

Week # Muffins

1 450

2 300

3 600

4 800

5 850

6 300

7 100

8 900

9 1,000

10 700

Chart in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

66) Sales at Regan Real Estate totaled 10 homes for the month. They were as follows: $115,000, $119,000, $150,000, $175,000, $160,000, $104,000, $118,000, $148,000, $165,000, $195,000. Calculate the mean and the median.

Mean: ($115,000 + $119,000 + $150,000 + $175,000 + $160,000 + $104,000 + $118,000 + $148,000 + $165,000 + $195,000) / 10 = $144,900; Median: $104,000, $115,000, $118,000, $119,000, $148,000, $150,000, $160,000, $165,000, $175,000, $195,000; middle = ($148,000 + $150,000) / 2 = $149,000.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

67) Moe's Department Store counted the number of customers entering the store for the week. The results showed 1,150, 1,281, 550, 900, 1,150, 550, and 1,150. What is the mode?

The number 1,150 appears in the list three times.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

68) This semester Alice Front took four three-credit courses at North Shore Community College. She received an A in Business Math, a B in History, a C in Communications and a C in Composition, and a D in Accounting. What is her cumulative grade point average to the nearest hundredth, given that A = 4.0, B = 3.0, C = 2.0, D = 1.0, and F = 0.0?

(1 x 4.0 + 1 x 3.0 + 2 x 2.0 + 1 x 1.0) / 5 = 12; 12 / 5 = 2.4.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

69) Art's Hardware reported the following sales for the first 20 days of October:

Prepare a frequency distribution for Art.

$100 = 2, $200 = 6, $300 = 3, $400 = 3, $500 = 1, $600 = 4, $700 = 1.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

70) Paula's Printing Company produced the following number of bound books during the first five weeks of last year. Prepare a bar graph:

Week Books Bound

1 300

2 200

3 700

4 600

5 800

Graph in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

71) Angie Corporation reported profits of 18%. It stated in the report that cost of sales was 42% with expenses of 40%. How many degrees on a circle graph would each be given (round to the nearest tenth)?

profits = .18 × 360° = 64.8°; cost of sales = .42 × 360° = 151.2°; expenses = .40 × 360° = 144°.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

72) The students in Professor Jim's Chemistry class had the following scores on their exams (out of 100 pts):

13, 77, 77, 78, 80, 80, 83, 85, 90, 93, 94, 94, and 94. Find the following (round answer to nearest tenth where necessary):

A. Mean

B. Median

C. Mode

D. Which method seems to give the best estimate of average? Why?

A. (13 + 77 x 2 + 78 + 80 x 2 + 83 + 85 + 90 + 93 + 94 x 3) / 13 = 79.8; B. 83 is the median since it is the middle score; C. 94 is the mode since it appears most frequently; D. The median seems to the most accurate. 13 makes the score for mean unusually low, and mode happens to also be the highest score.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.

Bloom's: Analyze

Type: Static

Accessibility: Keyboard Navigation

73) Find the (A) mean (B) median, and (C) mode:

9, 20, 15, 9, 17, 28, 26

A. (9 + 20 + 15 + 9 + 17 + 28 + 26)/7 = 17.7; B. 9 9 15 17 20 26 28 = 17; C. 9.

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (3) Define and calculate the median.; 22-01 (4) Define and identify the mode.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

74) Calculate the grade point average: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0

(3 x 3.0 + 3 x 4.0 + 4.5 x 2.0 + 4.5 x 1.0) / (3 + 3 + 4.5 + 4.5) = 34.5; 34.5 / 15 = 2.3.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

75) Find the weighted salary for the company PawstoYou:

($140,000 x 1 + $33,000 x 10 + $45,000 x 3 + $24,000 x 2) / 16 = $40,812.50.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

76) Indicate the number of degrees on a pie chart each would be given (round to the nearest tenth degree):

A. 62% favor low-cholesterol bacon

B. 30% favor traditional bacon

C. 8% have no preference

A. 62 × 360° = 223.2°; B. 30 × 360° = 108.0°; C. 08 × 360° = 28.8°.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

77) Indicate the number of degrees on a pie chart each would be given (round to the nearest tenth degree):

A. 42.5% of Jones's investments are in stocks

B. 23% of Jones's investments are in bonds

C. 34.5% of Jones's investments are in money market funds

A. 425 × 360° = 153.0°; B. 23 × 360° = 82.8°; C. 345 × 360° = 124.2°.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

78) Prepare a frequency table for the books produced for the first 20 days in January.

100 = 1, 200 = 1, 300 = 2, 400 = 1, 500 = 2, 600 = 4, 700 = 1, 800 = 3, 900 = 4, 1,000 = 1.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

79) Prepare a bar chart of the following data:

100 = 1, 200 = 1, 300 = 2, 400 = 1, 500 = 2, 600 = 4, 700 = 1, 800 = 3, 900 = 4, 1,000 = 1. Graph in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

80) Prepare a frequency distribution of the following data, showing the number of popsicles produced:

1,000 = 1, 2,000 = 2, 3,000 = 1, 4,000 = 1, 5,000 = 2, 6,000 = 5, 7,000 = 3, 8,000 = 1, 9,000 = 2, 10,000 = 2.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

81) Prepare a bar chart of this data

1,000 = 1, 2,000 = 2, 3,000 = 1, 4,000 = 1, 5,000 = 2, 6,000 = 5, 7,000 = 3, 8,000 = 1, 9,000 = 2, 10,000 = 2. Graph in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

82) Calculate the mean, given $18,000, $24,800, $16,900, and $29,100.

($18,000 + $24,800 + $16,900 + $29,100)/4 = $22,200.

Difficulty: 2 Medium

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

83) Given the following, find the A) Mean and B) Mode:

A. ($18,900 + $24,800 + $16,900 + $29,100)/4 = $22,425; B. no mode because no value appears most frequently.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (1) Define and calculate the mean.; 22-01 (4) Define and identify the mode.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

84) Ed Sullivan manufactures bean bags. From the following daily production for the first 20 days of July, find the weighted mean (to the nearest whole number).

(600 x 6 + 700 x 5 + 800 x 5 + 900 x 4) / 20 = 14,700; 14,700 / 20 = 735.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

85) At the college bookstore, the following sales were rung up. Based on this, prepare a frequency distribution. Use intervals of 0-$5.99, $6.00-$11.99, $12.00-$17.99, and $18.00-$23.99.

0-$5.99 = 1, $6-$11.99 = 8, $12-$17.99 = 4, $18-$23.99 = 3.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (1) Prepare a frequency distribution.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

86) At the college bookstore, the following sales were rung up. Based on this, prepare a bar graph. Use intervals of 0-$5.99, $6.00-$11.99, $12.00-$17.99, and $18.00-$23.99.

Chart in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

87) Russell Co. reported sales of $400,000 in 2018. This compared to sales of $180,000 in 2017 and $100,000 in 2016. Construct a line graph for Russell Co.

Graph in Answer Key.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

88) Joyce Rath predicted that over the Memorial Day weekend the following will visit the Children's Museum:

How many degrees would each represent if a circle graph were made (to the nearest tenth of a percent)?

.28 × 360° = 100.8°; .32 × 360° = 115.2°; .30 × 360° = 108.0°; .10 × 360° = 36.0°.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (2) Prepare bar, line, and circle graphs.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

89) Alice's Hardware's sales for the first two weeks were as follows:

What would be the mode?

Two modes: 1,200 and 750 each appear three times.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (4) Define and identify the mode.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

90) Abby McDonald took five three-credit courses at Glenn Community College. She received a C in Accounting and 4 B's (Management, Logic, Algebra, and Business Law). What is her grade point average? (Assume A = 4.0, B = 3.0, C = 2.0.)

This can be done based on classes since all the same credit hours: (2.0 x 1 + 3.0 x 4) / 5 = 2.8;

Or this can be done based on credit hours: (2.0 x 3 + 3.0 x 12) / (3 x 5) = 42; 42 / 15 = 2.8.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

91) Today, a new Ford costs $28,000. In 1970, the car cost $6,000. What is the price relative (round to the nearest hundredth)?

($28,000/$6,000) × 100 = 466.67.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

92) Today, a new truck costs $18,000. In 1980, the truck cost $9,000. What is the price relative?

($18,000/$9,000) × 100 = 200.

Difficulty: 3 Hard

Topic: LU 22-02 Frequency Distributions and Graphs

Learning Objective: 22-02 (3) Calculate price relatives and cost comparisons.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

93) Calculate the standard deviation (to the nearest hundredth) for the following sample set of data (round mean to nearest hundredth): 82.5, 91.3, 57.4, 41.7, 76.9, 68.5

Mean = (82.5 + 91.3 + 57.4 + 41.7 + 76.9 + 68.5) / 6 = 69.72

1,618.98 / (6 - 1) = 323.80; standard deviation

Difficulty: 3 Hard

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (2) Define and calculate the standard deviation.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

94) Calculate the standard deviation (to the nearest hundredth) for the following sample set of data: 80, 92, 59, 46, 82, 74

Mean = (80 + 92 + 59 + 46 + 82 + 74) / 6 = 72.17

1,412.84 / (6 - 1) = 282.57; standard deviation.

Difficulty: 3 Hard

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (2) Define and calculate the standard deviation.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

95) Given a mean of 1,500 and a standard deviation of 53, calculate the value that is 2 standard deviations below the mean.

1,500 - (53 x 2) = 1,394.

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (3) Estimate percentage of data by using standard deviation.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation

96) Wayne Myrick's salaries at the beginning of each decade are listed below. What was the mean of his salaries? $98,500, $84,600, $79,300, $69,000, $48,750

($98,500 + $84,600 + $79,300 + $69,000 + $48,750) / 5 = $76,030.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

97) Calculate the weighted mean of bottled water sales in dollars:

($1.25 × 7 + $1.50 × 4 + $1.75 × 2) /13 = $1.40 weighted mean.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

98) Kathleen sold chemicals for DuPont with the following sales results. Calculate the weighted mean.

($177.16 x 7 + $37.25 x 2 + $78.00 x 3 + $150.00 x 2) / 14 = $132.04.

Difficulty: 3 Hard

Topic: LU 22-01 Mean, Median, and Mode

Learning Objective: 22-01 (2) Explain and calculate a weighted mean.

Bloom's: Apply

Type: Static

Accessibility: Keyboard Navigation

99) Calculate the range for the following June temperatures: 95.6, 69.2, 78.1, and 88.0

95.6 - 69.2 = 26.4.

Difficulty: 2 Medium

Topic: LU 22-03 Measures of Dispersion (Optional)

Learning Objective: 22-03 (1) Explain and calculate the range.

Bloom's: Understand

Type: Static

Accessibility: Keyboard Navigation