Consult the corporate data shown below. Plot data; find µ, σ, σ2; and identify outliers.
| Morgan Stanley |
91.36% |
| Merrill Lynch |
40.26 |
| Travelers |
39.42 |
| Warner-Lambert |
35 |
| Microsoft |
32.95 |
| J.P. Morgan & Co. |
29.62 |
| Lehman Brothers |
28.25 |
| US Airways |
26.71 |
| Sun Microsystems |
25.99 |
| Marriott |
25.81 |
| Bankers Trust |
25.53 |
| General Mills |
25.41 |
| MCI |
24.39 |
| AlliedSignal |
24.23 |
| ITT Industries |
24.14 |