Final Exam / Part III - Task 2 (20 points) Part III - Task T Part Ill In what follows use any of the following tests/procedures: Regression, multiple regression, confidence intervals, one-sided T-test, or two-sided T-test. All the procedures should be done with a 5% P-value or a 95% confidence interval. Some answers are approximated; choose the most appropriate answer. Open ManBody data. SETUP: It is believed that men 25 years or younger are taller than men 70 years or older. Given the data your job is to confirm or disprove this assertion. I) What test/procedure did you perform? (10 points) O a. One-sided T-test O b. Two-sided T-test O c. Regression O d. Confidence interval Il) Conclusion? (10 points) O a. Yes, we can confirm the assertion. O b. No, we cannot confirm the assertion. K Part Ill - Task 1 Part III - Task 3 D