For each exercise, perform these steps. Assume that all

Chapter 9, Problem 2

(choose chapter or problem)

For each exercise, perform these steps. Assume that all variables are normally or approximately normally distributed. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. e. Summarize the results. Use the traditional method of hypothesis testing unless otherwise specified.Average Earnings of College Graduates The average yearly earnings of male college graduates (with at least a bachelors degree) are $58,500 for men aged 25 to 34. The average yearly earnings of female college graduates with the same qualifications are $49,339. Based on the results below, can it be concluded that there is a difference in mean earnings between male and female college graduates? Use the 0.01 level of significance. Male Female Sample mean $59,235 $52,487 Population standard deviation 8,945 10,125 Sample size 40 35