Ch.12 | Complete Test Bank – Statistical Applications In - Final Test Bank | Health Care Operations 3e by Langabeer by James R. Langabeer. DOCX document preview.
Chapter 12: Statistical Applications in Operations Management
True or False Questions
- Useful operational data can only be obtained through an enterprise scale Hospital Information system.
- True
- False
- A statistical analysis does not require a sophisticated statistical software package.
- True
- False
- The standard deviation and coefficient of variation are measures of central tendency.
- True
- False
- A distribution of data that is widely scattered is best for predicting results or understanding the actual causes of the results observed because the data shows a broad range of results.
- True
- False
- Microsoft Excel can calculate the range of a data distribution using the =RANGE() command.
- True
- False
- Fundamental to linear regression is the assumption that there is a straight-line relationship between the dependent and independent variables.
- True
- False
Multiple Choice Questions
- Which of the following describes the observation that occurs most frequently in a data distribution?
- Mean
- Mode
- Median
- Coefficient of Variation
- Which of the following describes the observation that is in the center of a data distribution?
- Mean
- Mode
- Median
- Coefficient of Variation
- Which of the following is a measure of how data is scattered or concentrated around the mean relative to the mean itself in a data distribution?
- Mean
- Mode
- Standard deviation
- Coefficient of Variation
- Which of the following is a measure of the average of all values in a data set?
- Mean
- Mode
- Standard deviation
- Coefficient of Variation
- Which of the following describes the outcome being projected based on variation in other variables?
- Slope of line
- Dependent variable
- Intercept
- Independent variable
- Which of the following describes the factor that influences the outcome of interest?
- Slope of line
- Dependent variable
- Intercept
- Independent variable
- Describe how a linear relationship such as that in a linear regression is expressed in mathematical terms.
- What are two types of sampling described in your readings and how is each defined?
- Differentiate between a population and a sample in the context of a statistical analysis.
- Differentiate between descriptive and inferential statistics.
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Final Test Bank | Health Care Operations 3e by Langabeer
By James R. Langabeer
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