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. [Show More]
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