Question: The mean earnings per share for the population of financial services corporations in 2000 was $3. In 2001, a sample of 10 financial services corporations reported the following earnings per share:

1.92 2.16 3.63 3.16 4.02 3.14 2.20 2.34 3.05 2.38

At the 5% significance level, test the hypothesis that the average earnings per share in 2001 differ from the average reported in 2000. Show all steps.