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 with Abdomen sizes of 100 or more are on average younger than the men with Abdomen sizes less than 100. 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 Ob. 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