HLT 362 Week 3 Quiz Answers Latest GCU

HLT 362 Week 3 Quiz Answers Latest GCU

HLT 362 Week 3 Quiz Answers Latest GCU

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HLT362 Applied Statistics for Health Care Professionals

Week 3 Quiz

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• 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 reject a null hypothesis that is true.

•We reject a null hypothesis that is false.

• If a researcher does not select the appropriate level of significance (alpha) based upon prior research or industry standard and concludes that the study found a statistical difference when in fact there was no difference, this is referred to as _____.

•Validity

•Reliability

•Type I error

•Type II error

• If you are conducting a study on the impacts of diet and exercise on high blood pressure and you take a proportional sample based upon race/ethnicity, this would be an example of _____.

•Simple random sample

•Cluster sampling

•Stratified sampling

•Convenience sampling

• In a research study, if the sample size is too low and the results do not find a statistical difference when in fact there is a difference, this is referred to as _____.

•Validity

•Reliability

•Type I error

•Type II error, GCU HLT362 Week 3 Quiz Answers Latest