https://www.limes.one/Content/DataFiles/Man_Body.txt

I tried not sure if im right though would appreciate some help and a few study tips.. My answers were C, C, B

n 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 5% P-value or 95% confidence interval.Some answers are approximated, choose the most appropriate answer.OpenMan_Bodydata. SETUP:It is believed that older the man the shorter they get. 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

II. Statistical interpretation? (6.66 points)

• a. Since P-value is small we are confident that the slope is not zero.
• b. Since P-value is small we are confident that the averages are different.
• c. Since P-value is too large the test is inconclusive.
• d. None of these.

III. Conclusion? (6.66 points)

• a. Yes, we can confirm the assertion.
• b. No, we cannot confirm the assertion.