9. Based on your answer to the previous question, give an example of a cutoff score that would be statistically significant for one type of test (Z or t) but not the other.

 

10. Is it possible to perform a statistical test if the data being analyzed violates one of the test's assumptions? Why or why not?

 

 

Based on your answer to the previous question, give an example of a cutoff score that would be statistically significant for one type of test (Z or t) but not the other.

Is it possible to perform a statistical test if the data being analyzed violates one of the test's assumptions? Why or why not?

Which of the following best describes the 'Power of a statistical test'?

The ability for the findings of a statistical test to provide useful results in a clinical trial.

The ability for a statistical test to avoid type I error.

The ability for a statistical test to show a statistically significant finding, if in fact there is one; how to avoid type II error.

You are performing research on a new line of beta blockers to determine whether or not the beta blocker lowers blood pressure. What type of test would you use?

Two-tailed

Six Sigma

Chi square

One-tailed

In the same research, you want to know whether or not the beta blocker effects the serum potassium level. What type of test would you use?

Two-tailed

Chi square

One-tailed

Six Sigma