9. Refer to the research description given in Problem 8. Let's assume that each group's mean Career Happiness score is MHS = 128.2, M2-year = 64.0, M4-year = 80.8, and MGrad/Adv = 57.0, and that the results are F(3, 16)= 10.87, p = .0004. Which of the follow- ing statements most likely is true based on these results?

a. People working in the aviation industry who have a 2-year college degree are significantly happier in their career than people working in the aviation industry who have a graduate/advanced degree.

b. People working in the aviation industry who have a high school diploma are sig- nificantly happier in their career than people working in the aviation industry who have a 2-year college, 4-year college, or graduate/advanced degree.

c. People working in the aviation industry who have a 2-year college degree are significantly happier in their career than people working in the aviation industry who have a 4-year college degree.

d. For people working in the aviation industry, the less educated they are based on the type of degree they have, the happier they are in their career.