OpenMan_Bodydata. SETUP: It is believed that on average men are taller than 70 inches. Given the data your job is to confirm or disprove this assertion.

I. What test/procedure did you perform? (6.66 points)

• a. One sided T-test
• b. Two sided T-test
• c. Regression
• d. Confidence interval

My friend thinks we use 1 sided t test, but I thought we would use confidence interval since we are looking at a fixed number? Please adivse!