Overview
Billy
WalMart
Sheet 1: Billy
|
Artifacts |
|
851 |
|
596 |
|
444 |
|
956 |
|
576 |
|
219 |
|
326 |
|
|
| min |
219 |
| max |
956 |
| range |
737 |
| mean |
566.86 |
| standard deviation sx |
266.84 |
| lower bound 75% |
33.18 |
| mean |
566.86 |
| upper bound 75% |
1100.53 |
|
|
| Skip variation. |
|
| Variation is the |
|
| square of the |
|
| standard deviation sx |
|
Sheet 2: WalMart
|
Walmart |
Disney |
|
54.1 |
31.27 |
|
54.35 |
30.95 |
|
52 |
31.1 |
|
51.65 |
32.06 |
|
51.76 |
32.51 |
|
52.04 |
32.6 |
|
53.2 |
34.28 |
|
53.52 |
34.5 |
|
52.52 |
33.11 |
|
52.89 |
33.33 |
|
51.2 |
32.64 |
|
51.21 |
32.62 |
|
51.47 |
31.78 |
|
51.75 |
31.62 |
|
51.72 |
31.72 |
|
50.99 |
31.62 |
|
51.3 |
31.35 |
|
50.75 |
31.6 |
|
51.1 |
32.15 |
|
51.02 |
31.85 |
|
|
|
| min |
50.75 |
30.95 |
| max |
54.35 |
34.5 |
| range |
3.6 |
3.55 |
| mean |
52.03 |
32.23 |
| standard deviation sx |
1.06 |
0.98 |
| cv |
2% |
3% |
| support |
48.84 |
29.29 |
| mean |
52.03 |
32.23 |
| resistance |
55.21 |
35.17 |
|
|
|
| Skip the variation in |
|
|
| part b. The variation |
|
|
| is the square of the |
|
|
| standard deviation sx |
|
|
|
|
|
| The CV notes that the |
|
|
| stock usually moves |
|
|
| up or down about |
|
|
| 2% or 3% respectively. |
|
|
| This movement is |
|
|
| normal and is the |
|
|
| short term risk. |
|
|
| The difference is too |
|
|
| small to matter. |
|
|