### Question Description

I’m studying and need help with a question to help me learn.

1. What are the five steps in the hypothesis testing procedure? Are the steps followed in sequence? Explain why or why not. How does the five-step procedure for hypothesis testing differ when

comparing two groups using a *t-* or *z-*test? How is the process similar?

2. Under what conditions would you use a *t*-test as opposed to a *z*-test? Can you use the *t*-table to determine the critical value of the *z*-test? Explain why. What are the differences between a one-tailed and a two-tailed test?

3. What is the difference between a left-tailed, two-tailed, and right-tailed test. When would you choose a

one-tailed test? How can you determine the direction of the test by looking at a pair of hypotheses? How can you tell which direction (or no direction) to make the hypothesis by looking at the problem statement (research question)?