HLT-362V Applied Statistics for Health Care Professionals Quiz 2: HLT 362V Quiz 2 Complete Solution [Graded A] Questions and Answers

HLT-362V-Applied Statistics for Health Care Professionals

Quiz 2

1. To obtain a sample of 20 patients in ICU, clinician goes to the ICU and selects the current

patients. This is an example of a:

A. Judgement sampling

B. Snowball sampling

C. *Convenience sampling

D. Simple random sampling

2. A Type I error is committed when _____.

A. We do not reject a null hypothesis that is true.

B. We do not reject a null hypothesis that is false.

C. *We reject a null hypothesis that is true.

D. We reject a null hypothesis that is false.

3. Which of the following would be an appropriate null hypothesis?

A. The mean of a population is greater than 65.

B. *The mean of a population is equal to 65.

C. The mean of the sample is greater than 65.

D. The mean of a sample is equal to 65.

4. Quantitative research strives for quality and the ability to apply the analysis to a broader

population. This is referred to as _____.

A. Normality

B. Reliability

C. *Generalization

D. Validity

5. Scenario Based Question: If you were conducting a study of blood pressure readings in a

hospital unit, compared AM and PM readings, and assumed the data were normally

distributed and variances were equal, what type of statistical test would be conducted?

A. F-test

B. Paired t-test

C. Pooled variance t-test

D. Separate variance t-test

6. Which of the following can be reduced by proper interviewer training?

A. Neither sampling error nor measurement error

B. Sampling error

C. *Both sampling error and measurement error

D. Measurement error

7. A Type II error is committed when _____.

A. *We reject a null hypothesis that is true.

B. We do not reject a null hypothesis that is false.

C. We do not reject a null hypothesis that is true.

D. We reject a null hypothesis that is false.