Task: Earnings Per Share
The earnings per share (in dollars) for 12 companies selected at random from the list of Fortune 500 companies are:
0.55 0.62 1.43 1.58
3.25 1.92 6.39 3.36
1.03 3.29 6.41 7.32
A. Find the mean of earnings per share.
B. Find the standard deviation of earnings per share.