GCU HLT362 Week 3 Quiz Paper
GCU HLT362 Week 3 Quiz Paper
GCU HLT362 Week 3 Quiz Paper
HLT362 Applied Statistics for Health Care Professionals
Week 3 Quiz
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GCU HLT362 Week 3 Quiz Paper
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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
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• 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
t 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 Paper
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GCU HLT362 Week 3 Quiz Paper
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