Practice Questions-Fund Biostats (1)

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Apr 3, 2024

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Practice Questions- Advanced Biostatistics 1. Which type of statistics helps researchers describe a population’s average age? A. Descriptive Statistics B. Inferential Statistics C. Bivariate Statistics D. Multivariate Statistics 2. Which of the following are examples of descriptive statistics? A. Correlation and Regression B. Median and Correlation C. Mean and Standard Deviation D. Variance and Regression 3. Which of the following statements best describes the difference between population and sample? A. The sample is all members of a specified group while the population is the part of a sample used to describe the whole group. B. The population is all members of a specified group while the sample is the part of a population used to describe the whole group. C. The terms population and sample are synonymous with one another and can be used interchangeably. D. The population is most members of a specified group while the sample is the part of a population used to describe the whole group. 4. If a nurse researcher measured the anxiety level of 100 graduate students, the student average score on an anxiety scale would be a(n) A. Variable B. Measurement C. Statistic D. Parameter 5. What data is collected in groups and the number of events in each group is counted numerically? A. Ordinal B. Numerical C. Interval D. Categorical 6. What is the information that is collected and analyzed? A. Data B. Variable C. Ordinal D. Parameter 7. Which scale of measurement has an absolute zero? A. Interval
B. Ratio C. Nominal D. Ordinal 8. If a researcher asks participants to name the country in which they were born, the researcher is using which scale of measurement? A. Ordinal B. Interval C. Ratio D. Nominal 9. Which variable type corresponds to the outcome being measured? A. Independent B. Nominal C. Dependent D. Categorical 10. Which of the following is the name of the curve that is symmetrical? A. Frequency Polygon B. Positive Skew C. Negative Skew D. Normal Curve 11. “The value around which the deviations sum to zero” is the definition of which of the following? A. Mean B. Median C. Mode D. Skewness 12. The most frequently occurring score is which of the following? A. Mean B. Mode C. Median D. Kurtosis 13. Which of the following is useful for describing the averages of skewed distributions? A. Mean B. Median C. Mode D. Kurtosis 14. Which of the following is the middle of a distribution? A. Mean B. Mode
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