What test did you perform? (4 points)

• a. Regression
• b. Two sided t-test
• c. One sided t-test

3. What is the P-value? (4 points)

• a. 8.51633E-07
• b. 1.3694E-06
• c. 6.84701E-07
• d. None of these

4. What is the Statistical interpretation? (4 points)

• a. The P-value is much smaller than 5% thus we are very certain that the averages are significantly different.
• b. The P-value is too small to have a conclusive answer.
• c. The P-value is greater than 5% thus the answer is inconclusive.
• d. The P-value is greater than 5% thus we are we are very certain that the averages are significantly different.
• e. None of these.

5. What is the conclusion? (4 points)

• a. The test is inconclusive and more data is needed.
• b. Statistical interpretation agrees with the intuition that men earn more than women on average.
• c. Statistical interpretation does not agree with the intuition that men earn more than women on average.
• d. Since the test is inconclusive the conclusion is inconclusive as well.
• e. None of these.