3. A company institutes conducts an exercise break for its workers to see if this will improve job satisfaction, as measured by a questionnaire that assesses worker's satisfaction. Scores for ten...

Follow the5 steps in hypothesis testing to solve the problem. Show necessary solution.

5 STEPS IN HYPOTHESIS TESTING:

Step 1: Null and Alternative Hypothesis

Step 2: Statistical Test

Step 3: Critical Regions

Step 4: Computation

Step 5: Decision and Conclusion

Extracted text: 3. A company institutes conducts an exercise break for its workers to see if this will improve job satisfaction, as measured by a questionnaire that assesses worker's satisfaction. Scores for ten randomly selected workers before and after implementation of the exercise program are shown. The company wants to assess the effectiveness of the exercise program. Test at 5% level of significance if the exercise break is effective in improving job satisfaction. Before 34 28 29 45 26 27 24 15 15 27 After 33 36 50 41 37 41 39 21 20 37