HLT 362V-Applied Statistics for Health Care Professionals Grand Canyon University new exam questions and asnwers

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HLT 362V-Applied Statistics for Health Care Professionals Grand Canyon University new exam questions and asnwers Quiz 2 To obtain a sample of 20 patients in ICU, clinician goes to the ICU and sel... ects the current patients. This is an example of a: Judgement sampling Snowball sampling Convenience sampling Simple random sampling A Type I error is committed when _____. We do not reject a null hypothesis that is true. We do not reject a null hypothesis that is false. We reject a null hypothesis that is true. We reject a null hypothesis that is false. Which of the following would be an appropriate null hypothesis? 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. The mean of a sample is equal to 65. Quantitative research strives for quality and the ability to apply the analysis to a broader population. This is referred to as _____. Normality Reliability Generalization Validity 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? F-test Paired t-test Pooled variance t-test Separate variance t-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 _____. Type II error Validity Type I error Reliability 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 Stratified sampling Cluster 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 Type I error Reliability Type II error [Show More]

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