1. A researcher is interested in whether doing HIIT workouts will help individuals burn body fat. Thus, the researcher measured the body fat percentage of 5 individuals before and after they used the HIIT workout program. Did the HIIT program produce significant differences in body fat percentage? Use = .05.

Participant	Before Program	After Program
#1	30	26
#2	24	22
#3	28	24
#4	19	22
#5	25	19

Step 1:State the null and alternative hypotheses in symbols.

Step 2: Set up the criteria for making a decision. That is, find the critical value(s).

Step 3: Compute the appropriate tests statistic. Show your work!!

Step 4: Evaluate the Null Hypothesis.

(circle one) REJECT FAIL TO REJECT

Step 5: Based on your evaluation of the null hypothesis, what is your conclusion (in words)?