(Step-by-Step) a. Why do we need hypothesis testing in quantitative research? Please explain your answer. (5 pts) b. Explain the notion of a critical region
Question: a. Why do we need hypothesis testing in quantitative research? Please explain your answer. (5 pts)
b. Explain the notion of a critical region (or alpha level) for a hypothesis test. Why is it necessary to establish these criteria at the outset of our analysis? (5 pts)
c. What are two differences between a z-score and a t-statistic when conducting a hypothesis test? (5 pts)
Deliverable: Word Document 