GCU HLT362 Week 3 Quiz Paper

HLT362 Applied Statistics for Health Care Professionals

Week 3 Quiz

• 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:

•Judgement sampling

•Simple random sampling

•Snowball sampling

•Convenience sampling

• A Type I error is committed when _____.

•We reject a null hypothesis that is true.

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

•We reject a null hypothesis that is false.

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

• Which of the following would be an appropriate null hypothesis?

•The mean of a sample is equal to 65.

•The mean of a population is greater than 65.

•The mean of a population is equal to 65.

•The mean of the sample is greater than 65.

• Quantitative research strives for quality and the ability to apply the analysis to a broader population. This is referred to as _____.

•Validity

•Normality

•Generalization

•Reliability

• 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?

•Separate variance t-test

•Paired t-test

•Pooled variance t-test

•F-test

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

•Neither sampling error nor measurement error

•Sampling error

•Both sampling error and measurement error

•Measurement error

• A Type II error is committed when _____.

•We reject a null hypothesis that is true.

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

•We do not rejec Read More