Test Bank Ch3 Measures Of Central Tendency - Fundamental Statistics Social Sciences 2e Complete Test Bank by Howard T. Tokunaga. DOCX document preview.
Chapter 3: Measures of Central Tendency
Test Bank
Multiple Choice
1. For this set of data, ΣX is equal to ______.
Score | f | % | Cum % |
4 | 2 | 33.3% | 100.0% |
3 | 3 | 50.0% | 66.7% |
2 | 1 | 16.7% | 16.7% |
Total | 6 | 100% |
a. 6
b. 9
c. 15
d. 19
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
2. For this set of data, ΣX2 is equal to ______.
Score | f | % | Cum % |
4 | 2 | 33.3% | 100.0% |
3 | 3 | 50.0% | 66.7% |
2 | 1 | 16.7% | 16.7% |
Total | 6 | 100% |
a. 14
b. 29
c. 63
d. 361
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
3. For this set of data, (ΣX)2 is equal to ______.
Score | f | % | Cum % |
4 | 2 | 33.3% | 100.0% |
3 | 3 | 50.0% | 66.7% |
2 | 1 | 16.7% | 16.7% |
Total | 6 | 100% |
a. 19
b. 63
c. 81
d. 361
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
4. For this set of data, ΣX is equal to ______.
Score | f | % | Cum % |
6 | 4 | 33.3% | 100.0% |
5 | 4 | 50.0% | 66.7% |
4 | 2 | 16.7% | 16.7% |
Total | 10 | 100% |
a. 10
b. 15
c. 52
d. 276
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
5. For this set of data, ΣX2 is equal to ______.
Score | f | % | Cum % |
6 | 4 | 33.3% | 100.0% |
5 | 4 | 50.0% | 66.7% |
42 | 16.7% | 16.7% | |
Total | 10 | 100% |
a. 15
b. 52
c. 276
d. 2704
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
6. For this set of data, (ΣX)2 is equal to ______.
Score | f | % | Cum % |
6 | 4 | 33.3% | 100.0% |
5 | 4 | 50.0% | 66.7% |
4 | 2 | 16.7% | 16.7% |
Total | 10 | 100% |
a. 52
b. 276
c. 520
d. 2704
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
7. For this set of data, ΣX2 is equal to ______.
408, 415, 510, 650, 925
a. 581.60
b. 2908.00
c. 1876914.00
d. 8456464.00
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
8. For this set of data, (ΣX)2 is equal to______.
408, 415, 510, 650, 925
a. 581.60
b. 2908.00
c. 1876914.00
d. 8456464.00
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
9. For this set of data, ΣX2 is equal to ______.
104, 116, 95, 121, 87
a. 523
b. 55507
c. 273529
d. 3081027049
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
10. For this set of data, (ΣX)2 is equal to ______.
104, 116, 95, 121, 87
a. 523
b. 55507
c. 273529
d. 3081027049
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
11. For this set of data, ΣX2 is equal to ______.
104, 116, 95, 121, 87
a. 233
b. 1165
c. 71853.50
d. 558859
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
12. For this set of data, (ΣX)2 is equal to ______.
104, 116, 95, 121, 87
a. 233
b. 1165
c. 558859
d. 1357225
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
13. For this set of data ΣX is equal to ______.
2, 5, 6, 7, 9, 10, 10, 12
a. 8
b. 61
c. 539
d. 3721
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Easy
14. For this set of data ΣX2 is equal to ______.
2, 5, 6, 7, 9, 10, 10, 12
a. 8
b. 61
c. 539
d. 3721
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
15. For this set of data (∑X)2 is equal to ______.
2, 5, 6, 7, 9, 10, 10, 12
a. 8
b. 61
c. 539
d. 3721
Cognitive Domain: Application
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Medium
16. The mode may be defined as ______.
a. the most common or frequently occurring score in a distribution
b. the average squared deviation of a score from the mean
c. the mathematical average
d. the difference between the highest and lowest score in a set of data
Cognitive Domain: Knowledge
Answer Location: The Mode
Difficulty Level: Easy
17. The ______ may be defined as ______.
a. mode; the mathematical average
b. mean; the score that splits a distribution into two equal halves
c. median; the mathematical average
d. mode; the most frequently occurring score in a distribution
Cognitive Domain: Knowledge
Answer Location: The Mode
Difficulty Level: Medium
18. The ______ is the score or value of a variable that appears most frequently in a set of data.
a. modal score
b. median score
c. mean score
d. measure of central tendency
Cognitive Domain: Knowledge
Answer Location: The Mode
Difficulty Level: Easy
19. What is the mode for the set of data?
1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 9
a. 1
b. 3
c. 4
d. 6
Cognitive Domain: Application
Answer Location: Determining the Mode
Difficulty Level: Easy
20. What is the mode for the set of data?
20, 21, 24, 20, 26, 29, 30, 24, 20, 24, 24, 25, 23, 29, 27
a. 20
b. 21
c. 23
d. 24
Cognitive Domain: Application
Answer Location: Determining the Mode
Difficulty Level: Easy
21. What is the mode for the set of data?
12, 12, 23, 32, 29, 17, 16, 19, 12, 23, 19, 19, 17, 23, 19, 32
a. 17
b. 19
c. 23
d. 32
Cognitive Domain: Application
Answer Location: Determining the Mode
Difficulty Level: Easy
22. What is the mode for the set of colors?
green, yellow, red, yellow, green, blue, yellow, red, green, green, blue, green, red
a. blue
b. red
c. yellow
d. green
Cognitive Domain: Application
Answer Location: Determining the Mode
Difficulty Level: Easy
23. What is the mode for the set of letter grades?
A, B, C, F, D, B, A, C, B, A, C, D, A, B, B, C, D, F, B
a. D
b. C
c. B
d. A
Cognitive Domain: Application
Answer Location: Determining the Mode
Difficulty Level: Easy
24. ______ is the mode fast food in this frequency distribution table; it was chosen by ______ of the sample.
Fast food | f | % |
Hot dog | 5 | |
Hamburger | 40.0% | |
Sandwich | 3 | |
Pizza | 6.7% | |
Total | 15 | 100.0% |
a. Hamburger; 6
b. Hot dog; 33.3%
c. Sandwich; 20.0%
d. Pizza; 1
Cognitive Domain: Analysis
Answer Location: Determining the Mode
Difficulty Level: Medium
25. ______ is the mode color in this frequency distribution table; it was preferred by ______ of the sample.
Color | f | % |
Black | 30.0% | |
Blue | 2 | |
Red | 35.0% | |
Green | 5 | |
Total | 20 | 100.0% |
a. Black; 6
b. Blue; 33.3%
c. Red; 7
d. Green; 25.0%
Cognitive Domain: Analysis
Answer Location: Determining the Mode
Difficulty Level: Medium
26. ______ is the mode age in this frequency distribution table; it was represented by ______ of the sample.
Age | f | % |
21 | 9 | |
20 | 43.3% | |
19 | 5 | |
18 | 10.0% | |
Total | 30 | 100.0% |
a. 21; 30.0%
b. 20; 13
c. 19; 16.7%
d. 18; 3
Cognitive Domain: Analysis
Answer Location: Determining the Mode
Difficulty Level: Medium
27. ______ is the mode type of vehicle in this frequency distribution table; it was owned by ______ of the sample.
Type of vehicle | f | % |
Truck | 16.0% | |
SUV | 6 | |
Sedan | 40.0% | |
Wagon | 5 | |
Total | 25 | 100.0% |
a. Truck; 4
b. SUV; 24.0%
c. Sedan; 10
d. Wagon; 20.0%
Cognitive Domain: Analysis
Answer Location: Determining the Mode
Difficulty Level: Medium
28. ______ is the modal ethnicity in the figure.
a. Asian
b. White
c. African American
d. Hispanic
Cognitive Domain: Application
Answer Location: Determining the Mode
Difficulty Level: Easy
29. The median may be defined as ______.
a. the most common or frequently occurring score in a distribution
b. the average squared deviation of a score from the mean
c. the difference between the highest and lowest score in a set of data
d. the score that splits a distribution into two equal halves
Cognitive Domain: Knowledge
Answer Location: The Median
Difficulty Level: Medium
30. The ______ may be defined as ______.
a. mode; the score that splits a distribution into two equal halves
b. median; the mathematical average
c. median; the score that splits a distribution into two equal halves
d. mean; the most common or frequently occurring score in a distribution
Cognitive Domain: Knowledge
Answer Location: The Median
Difficulty Level: Medium
31. What is the median for the set of data?
1, 2, 3, 8, 9, 11, 13
a. 4
b. 7
c. 8
d. 12
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
32. What is the median for the set of data?
16, 19, 31, 33, 37, 40, 42
a. 4
b. 7
c. 26
d. 33
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
33. What is the median for the set of data?
23, 24, 24, 26, 29, 30, 35
a. 4
b. 12
c. 243
d. 26
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
34. What is the median for the set of data?
47, 41, 56, 34, 39, 11, 13, 24, 19
a. 5
b. 28
c. 34
d. 39
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
35. What is the median for the set of data?
9, 1, 10, 4, 2, 13, 6, 4, 8
a. 5
b. 1
c. 2
d. 6
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
36. What is the median for the set of data?
35, 27, 16, 24, 31, 29, 16, 19, 25
a. 5
b. 10
c. 31
d. 25
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
37. What is the median for the set of data?
3, 5, 6, 7, 11, 14
a. 3.50
b. 6.50
c. 11.00
d. 6.00
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
38. What is the median for the set of data?
5, 7, 8, 10, 15, 22
a. 3.50
b. 6.00
c. 9.00
d. 17.00
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
39. What is the median for the set of data?
25, 40, 48, 54, 61, 70
a. 3.50
b. 6.00
c. 45.00
d. 51.00
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
40. What is the median for this set of data?
87, 75, 66, 80, 73, 61, 72, 49
a. 4.50
b. 38.00
c. 72.50
d. 76.50
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
41. What is the median for this set of data?
41, 36, 31, 11, 43, 40, 39, 30
a. 4.50
b. 11.00
c. 27.00
d. 37.50
Cognitive Domain: Application
Answer Location: Calculating the Median: Odd Number of Scores
Difficulty Level: Medium
42. The ______ may be defined as ______.
a. median; the mathematical average
b. mean; the most common or frequently occurring score in a distribution
c. mean; the mathematical average
d. mode; the score that splits a distribution into two equal halves
Cognitive Domain: Knowledge
Answer Location: The Mean
Difficulty Level: Medium
43. The mean is described as the ‘balancing point’ for a set of scores because ______.
a. 50% of the scores lie above the mean and 50% lie below the mean
b. the sum of the deviations of scores from the mean 
is equal to zero
c. the mean is always the most frequency occurring score for a variable
d. the sum of the squared deviations of scores from the mean 
is equal to zero
Cognitive Domain: Comprehension
Answer Location: The Mean
Difficulty Level: Medium
44. What is the mean for the set of data?
3, 4, 2, 5, 1
a. 15.00
b. 4.00
c. 3.75
d. 3.00
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
45. What is the mean for the set of data?
6, 2, 4, 1, 7
a. 20.00
b. 4.00
c. 5.00
d. 6.00
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
46. What is the mean for the set of data?
8, 11, 13, 6, 12
a. 50.00
b. 10.00
c. 12.50
d. 7.00
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
47. What is the mean for the set of data?
2, 5, 3, 10, 1, 5, 2
a. 28.00
b. 4.00
c. 3.00
d. 5.00
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
48. What is the mean for the set of data?
2.15, 3.63, 4.76, 3.01, 2.96
a. 16.51
b. 3.30
c. 3.01
d. 2.61
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
49. What is the mean for the set of data?
97, 102, 95, 98, 79, 101, 96
a. 668.00
b. 97.00
c. 95.43
d. 23.00
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
50. What is the mean for the set of data?
.91, .76, .99, .83, .62, .85, .57
a. 5.53
b. .79
c. .83
d. .42
Cognitive Domain: Application
Answer Location: Calculating the Mean
Difficulty Level: Medium
51. What is the mean for the data in the frequency distribution table?
Age | f | % |
21 | 10 | 50.0% |
20 | 8 | 40.0% |
19 | 2 | 10.0% |
Total | 20 | 100.0% |
a. 20.40
b. 6.67
c. 20.00
d. 33.33
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
52. What is the mean for the data in the frequency distribution table?
Score | f | % |
9 | 4 | 20.0% |
5 | 7 | 35.0% |
1 | 9 | 45.0% |
Total | 20 | 100.0% |
a. 4.00
b. 6.67
c. 5.00
d. 33.33
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
53. What is the mean for the data in the frequency distribution table?
Score | f | % |
20 | 2 | 20.0% |
15 | 5 | 50.0% |
10 | 3 | 30.0% |
Total | 10 | 100.0% |
a. 14.50
b. 3.33
c. 15.00
d. 33.33
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
54. What is the mean for the data in the frequency distribution table?
Age | f | % |
40 | 17 | 38.6% |
30 | 15 | 34.1% |
20 | 12 | 27.3% |
Total | 44 | 100.0% |
a. 31.14
b. 14.67
c. 30.00
d. 33.33
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
55. What is the mean for the data in the frequency distribution table?
# cars | f | % |
4 | 4 | 20.0% |
3 | 8 | 40.0% |
2 | 6 | 30.0% |
1 | 2 | 10.0% |
Total | 20 | 100.0% |
a. 2.70
b. 5.00
c. 2.50
d. 25.00
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
56. What is the mean for the data in the frequency distribution table?
# jobs | f | % |
3 | 10 | 13.3% |
2 | 15 | 20.0% |
1 | 21 | 28.0% |
0 | 29 | 38.7% |
Total | 75 | 100.0% |
a. 1.08
b. 18.75
c. 1.50
d. 25.00
Cognitive Domain: Analysis
Answer Location: Calculating the Mean from Frequency Distribution Tables
Difficulty Level: Hard
57. For the set of data, the median is ______ and the mean is ______.
5, 3, 9, 2, 4
a. 4.00; 23.00
b. 4.60; 4.00
c. 9.00; 4.00
d. 4.00; 4.60
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
58. For the set of data, the median is ______ and the mean is ______.
11, 8, 20, 16, 9
a. 11.00; 64.00
b. 12.80; 11.00
c. 20.00; 11.00
d. 11.00; 12.80
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
59. For the set of data, the median is ______ and the mean is ______.
54, 20, 39, 41, 44
a. 41.00; 39.60
b. 41.00; 198.00
c. 39.60; 41.00
d. 39.00; 41.00
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
60. For the set of data, the median is ______ and the mean is ______.
1.43, 2.75, 2.31, 3.65, 2.40
a. 2.40; 12.54
b. 2.40; 2.51
c. 2.51; 2.40
d. 2.31; 2.40
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
61. For the set of data, the median is ______ and the mean is ______.
7, 3, 4, 7, 2, 6, 1
a. 4.00; 30.00
b. 4.29; 4.00
c. 7.00; 4.00
d. 4.00; 4.29
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
62. For the set of data, the median is ______ and the mean is ______.
24, 17, 25, 19, 33, 21, 18
a. 21.00; 157.00
b. 22.43; 21.00
c. 19.00; 21.00
d. 21.00; 22.43
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
63. For the set of data, the median is ______ and the mean is ______.
.31, .19, .25, .36, .15, .83, .27
a. .27; 2.36
b. .34; .27
c. .36; .27
d. .27; .34
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
64. For the set of data, the median is ______ and the mean is ______.
3, 7, 6, 2, 8, 2
a. 4.50; 28.00
b. 4.67; 4.50
c. 4.00; 4.50
d. 4.50; 4.67
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
65. For the set of data, the median is ______ and the mean is ______.
16, 17, 16, 19, 20, 15
a. 16.50; 103.00
b. 17.17; 16.50
c. 17.50; 16.50
d. 16.50; 17.17
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
66. For the set of data, the median is ______ and the mean is ______.
11.43, 13.56, 9.61, 18.02, 10.84, 16.13
a. 12.50; 79.59
b. 13.27; 12.50
c. 13.82; 12.50
d. 12.50; 13.27
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
67. For the set of data, the median is ______ and the mean is ______.
3, 5, 4, 1, 5, 6, 7, 3
a. 4.50; 34.00
b. 4.25; 4.50
c. 3.00; 4.50
d. 4.50; 4.25
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
68. For the set of data, the median is ______ and the mean is ______.
15, 10, 18, 9, 12, 16, 14, 17
a. 14.50; 111.00
b. 13.88; 14.50
c. 10.50; 14.50
d. 14.50; 13.88
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
69. For this set of data, the median is ______ and the mean is ______.
20.42, 23.90, 25.81, 28.42, 24.66, 21.13, 19.49, 20.91
a. 22.52; 184.74
b. 23.09; 22.52
c. 26.54; 22.52
d. 22.52; 23.09
Cognitive Domain: Analysis
Answer Location: Calculating the Mean
Difficulty Level: Medium
70. Using the rounding rules presented in this book, the number ______ is correctly rounded to ______.
a. 4.365; 4.37
b. 3.167; 3.16
c. 2.843; 2.85
d. 1.884; 1.89
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
71. Using the rounding rules presented in this book, the number ______ is correctly rounded to ______.
a. 14.219; 14.22
b. 16.801; 16.81
c. 20.185; 20.18
d. 19.384; 19.39
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
72. Using the rounding rules presented in this book, the number ______ is correctly rounded to ______.
a. 798.111; 798.12
b. 864.891; 864.90
c. 982.356; 982.36
d. 997.448; 997.44
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
73. Using the rounding rules presented in this book, the number ______ is correctly rounded to ______.
a. 67.294; 67.29
b. 51.629; 51.62
c. 42.668; 42.66
d. 70.981; 70.99
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
74. Using the rounding rules presented in this book, the number ______ is correctly rounded to ______.
a. 2.257; 2.26
b. 3.555; 3.55
c. 1.306; 1.30
d. 5.144; 5.15
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
75. Calculating the quotient of ______ to three decimal places, the result should be rounded to ______.
a. 2/3; .66
b. 7/8; .87
c. 3/7; .42
d. 4/9; .44
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
76. Calculating the quotient of ______ to three decimal places, the result should be rounded to ______.
a. 4/6; .66
b. 4/7; .57
c. 5/8; .62
d. 6/14; .42
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
77. Calculating the quotient of ______ to three decimal places, the result should be rounded to ______.
a. 6/11; .54
b. 7/8; .87
c. 7/13; .53
d. 6/17; .35
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
78. Calculating the quotient of ______ to three decimal places, the result should be rounded to ______.
a. 7/11; .63
b. 14/18; .77
c. 6/13; .46
d. 5/23; .21
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
79. Calculating the quotient of ______ to three decimal places, the result should be rounded to ______.
a. 8/3; 2.66
b. 17/9; 1.88
c. 7/6; 1.16
d. 25/7; 3.57
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
80. Calculating the quotient of ______ to three decimal places, the result should be rounded to ______.
a. 8/14; .58
b. 4/11; .37
c. 5/7; .72
d. 3/8; .38
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
81. Calculating the product of ______ to three decimal places, the result should be rounded to ______.
a. .35*.50; .17
b. .57*.80; .45
c. .89*.12; .10
d. .45*.76; .34
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
82. Calculating the product of ______ to three decimal places, the result should be rounded to ______.
a. 1.25*1.75; 2.18
b. 3.57*2.31; 8.24
c. 2.54*1.64; 4.16
d. 2.76*.32; .88
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
83. Calculating the product of ______ to three decimal places, the result should be rounded to ______.
a. 1.32*1.87; 2.46
b. .50*6.25; 3.12
c. 4.94*2.89; 14.27
d. 8.91*6.30; 56.13
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
84. Calculating the product of ______ to three decimal places, the result should be rounded to ______.
a. .63*.37; .24
b. 1.43*2.66; 3.81
c. .06*.57; .04
d. 6.03*5.28; 31.84
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
85. Calculating the product of ______ to three decimal places, the result should be rounded to ______.
a. .75*3.67; 2.76
b. .95*.76; .73
c. 1.07*2.20; 2.36
d. 1.50*.33; .50
Cognitive Domain: Application
Answer Location: Rounding Calculated Numbers
Difficulty Level: Medium
86. The numeric characteristic of a population (such as μ) is called a ______.
a. statistic
b. sample
c. parameter
d. mean
Cognitive Domain: Knowledge
Answer Location: The sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Easy
87. The numeric characteristic of a sample (such as 
) is called a ______.
a. statistic
b. sample
c. parameter
d. measure of central tendency
Cognitive Domain: Knowledge
Answer Location: The Sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Easy
88. The numeric characteristic of a sample (such as ) is called a ______, while the numeric characteristic of a population (such as μ) is called a ______.
a. parameter; statistic
b. statistic; parameter
c. mean; statistic
d. mean; measure of central tendency
Cognitive Domain: Knowledge
Answer Location: The Sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Medium
89. One relative strength of the ______ as a measure of central tendency is that it ______.
a. mode; is based on all of the scores in the distribution
b. mode; isn’t affected by outliers
c. mean; describes bimodal distributions
d. median; can be used in statistics designed to test research hypotheses
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
90. Which of the following is NOT a strength of the mode?
a. It is quick and easy to identify.
b. It is not affected by outliers.
c. It can be used with categorical variables.
d. It describes skewed distributions.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
91. All of the following are strengths of the mode EXCEPT which one?
a. There are no calculations to find the mode.
b. It is an actual score for the variable.
c. It is used to test a hypothesis.
d. It describes a bimodal or multimodal distribution.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
92. All of the following are a weakness of the median EXCEPT which one?
a. It is affected by outliers.
b. It cannot be used to test a hypothesis.
c. It may not describe bimodal distributions.
d. It is not based on all the scores in a data set.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
93. One relative weakness of the ______ as a measure of central tendency is that it ______.
a. mode; is affected by outliers
b. mode; does not take into account all of the scores
c. mean; does not take into account all of the scores
d. median; is affected by outliers
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
94. One relative strength of the ______ as a measure of central tendency is that it ______.
a. mode; is based on all of the scores in a distribution
b. mean; describes bimodal distributions
c. median; describes skewed distributions
d. mean; is not affected by outliers
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
95. One relative weakness of the ______ as a measure of central tendency is that it ______.
a. median; is affected by outliers
b. mode; is affected by outliers
c. mean; isn’t based on all of the scores in the distribution
d. median; doesn’t describe bimodal distributions
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
96. Which of these is based on all of the scores in a set of data?
a. the median
b. the mode
c. the range
d. the mean
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
97. Which of these is affected by outliers?
a. the mean
b. the median
c. the mode
d. the skewness
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
98. One relative weakness of the ______ as a measure of central tendency is that it ______.
a. mode; is affected by outliers
b. mean; is affected by outliers
c. mean; does not take into account all of the scores
d. median; is affected by outliers
Cognitive Domain: Comprehension
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
99. One relative weakness of the ______ as a measure of central tendency is that it ______.
a. mode; doesn’t describe a bimodal distribution
b. mean; does not take into account all of the scores
c. mean; doesn’t describe a bimodal distribution
d. median; is affected by outliers
Cognitive Domain: Comprehension
Answer Location: Strengths and Weaknesses of the Mean
Difficulty Level: Medium
100. One relative strength of the ______ as a measure of central tendency is that it ______.
a. mean; is based on all of the scores in a distribution
b. mode; describes skewed distributions
c. median; describes bimodal distributions
d. mean; is not affected by outliers
Cognitive Domain: Comprehension
Answer Location: Strengths and Weaknesses of the Mean
Difficulty Level: Medium
101. A judge has been hired to resolve the salary negotiations between a company and its labor union. The great majority of union members have relatively low salaries; however, a small percentage of union members have very high salaries. In order to influence the judge in their favor, the company management would want to use the ______ to summarize workers’ current wages, while the union would use the ______.
a. mean; median
b. mean; mode
c. mode; mean
d. median; mode
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
102. A researcher is analyzing how an individual’s education level (in years) affects their political party affiliation. The appropriate measure of central tendency for education would be ______ while the appropriate measure of central tendency for political party affiliation would be ______.
a. mean; median
b. mean; mode
c. median; mode
d. median; mean
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
103. Students were asked to fill out a survey indicating their opinion about their safety on campus. The variable safety on campus was coded as 1 = very safe, 2 = safe, 3 = unsafe, 4 = very unsafe. Which measure of central tendency would be best used for this type of variable?
a. mode
b. median
c. mean
d. population parameter
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
104. When analyzing a variable with four unranked categories, which measure of central tendency would be most appropriate to use?
a. mode
b. median
c. mean
d. sample
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
105. When analyzing a variable measured on an interval scale, which measure of central tendency would be most appropriate to report (assuming the distribution is normal)?
a. mode
b. median
c. mean
d. statistic
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Medium
106. When the mean and median for a distribution are the same, this could indicate that the distribution is ______.
a. bimodal
b. skewed
c. asymmetrical
d. abnormal
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
107. Imagine after grading this exam I look at the distribution of test scores in this class and conclude the test was harder than I expected. Which of the following would lead to this conclusion?
a. The distribution is bimodal.
b. The median is less than the mean.
c. The mean is less than the median.
d. The distribution is normal.
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
108. Which of the following best describes the shape of the distribution?
4 8 3 7 3 8 1 3 8 11 8
a. skewed
b. bimodal
c. peaked
d. normal
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
109. Which measure of central tendency would be the most appropriate for this distribution?
4 8 3 7 3 8 1 3 8 11 8
a. variance
b. mode
c. mean
d. median
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
110. Which of the following best describes the shape of the distribution?
3 8 1 6 3 4 11 3 4 3 5
a. skewed
b. bimodal
c. peaked
d. normal
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
111. Which measure of central tendency would be the most appropriate for this set of data?
3 8 1 6 3 4 11 3 4 3 5
a. mode
b. variance
c. mean
d. median
Cognitive Domain: Application
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Hard
True/False
1. The numeric characteristic of a sample is called a parameter.
Cognitive Domain: Knowledge
Answer Location: The Sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Easy
2. The numeric characteristic of a population is called a statistic.
Cognitive Domain: Knowledge
Answer Location: The Sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Easy
3. The numeric characteristic of a sample is called a statistic.
Cognitive Domain: Knowledge
Answer Location: The Sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Easy
4. The numeric characteristic of a population is called a parameter.
Cognitive Domain: Knowledge
Answer Location: The Sample Mean vs. the Population Mean: Statistics vs. Parameters
Difficulty Level: Easy
5. One strength of the mode is that it is based on all of the scores in a set of data.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
6. One weakness of the median is that outliers will affect it.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
7. One strength of the mode is that it is easy to identify.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
8. One of the weaknesses of the mean is that it is affected by outliers.
Cognitive Domain: Knowledge
Answer Location: Choosing a Particular Measure of Central Tendency
Difficulty Level: Easy
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Fundamental Statistics Social Sciences 2e Complete Test Bank
By Howard T. Tokunaga