Open Ended;

(a.)Define the following key terms & explain the importance/significance of each.

Hypothesis Testing-

Null Hypothesis-

Alternative Hypothesis-

Critical Region-

Type 1 & 2 Error-

(b)What is the point of doing a hypothesis test if one is given data that shows there is a difference between two groups or that there has been an increase or decrease over time? give example of this kind of test from the "real world"