Sesgo curtosis

  |   |   |   |   |   |   |   |   |   |
Precios |   |   |   |   |   |   |   |   |   |
Fecha |   | Cierre Ajustado* |   | [x - x̄]² |   | [x - x̄]3 |   | [x - x̄]4 |   |
30/09/2010 | 1 | 31.7 |  | 1.6783 |   | 5.9325 |   | 10.7396 |   |
29/09/2010 | 2 | 31.38 |   | 0.9516 |   | 2.5329 |   | 3.4526 |   |
28/09/2010 | 3 | 31.3 |   | 0.8019 |   | 1.9594 |   | 2.4519 |   |
27/09/2010 | 4 |31.16 |   | 0.5708 |   | 1.1766 |   | 1.2422 |   |
24/09/2010 | 5 | 31.18 |   | 0.6014 |   | 1.2725 |   | 1.3790 |   |
23/09/2010 | 6 | 31.01 |   | 0.3666 |   | 0.6057 |   | 0.5125 |   |22/09/2010 | 7 | 30.94 |   | 0.2868 |   | 0.4190 |   | 0.3135 |   |
21/09/2010 | 8 | 30.95 |   | 0.2976 |   | 0.4429 |   | 0.3376 |   |
20/09/2010 | 9 | 30.36 |   | 0.0020 |   | -0.0002 |   | 0.0000 |  |
15/09/2010 | 10 | 30.01 |   | 0.1556 |   | -0.1675 |   | 0.0923 |   |
14/09/2010 | 11 | 30.15 |   | 0.0648 |   | -0.0450 |   | 0.0160 |   |
13/09/2010 | 12 | 29.95 |   | 0.2066 |   | -0.2562|   | 0.1627 |   |
10/09/2010 | 13 | 29.97 |   | 0.1888 |   | -0.2238 |   | 0.1359 |   |
09/09/2010 | 14 | 29.88 |   | 0.2751 |   | -0.3937 |   | 0.2885 |   |
08/09/2010 | 15 | 29.73 |   |0.4550 |   | -0.8373 |   | 0.7892 |   |
07/09/2010 | 16 | 29.35 |   | 1.1120 |   | -3.1994 |   | 4.7144 |   |
06/09/2010 | 17 | 30 |   | 0.1636 |   | -0.1806 |   | 0.1021 |   |
03/09/2010 | 18 | 29.8|   | 0.3654 |   | -0.6027 |   | 0.5091 |   |
02/09/2010 | 19 | 29.6 |   | 0.6472 |   | -1.4207 |   | 1.5971 |   |
01/09/2010 | 20 | 29.67 |   | 0.5395 |   | -1.0812 |   | 1.1097 |   |
  |   |  | ∑= | 9.7305 |   | 5.9332 |   | 29.9459 |   |
  | x̄= | 30.4045 |   |   |   |   |   |   |   |
  | Mediana= | 30.08 |   |   |   |   |   |   |   |
  |   |   | s²= | 0.5121 | Sesgo= | 0.347 | K=| -1.376 |   |
  |   |   | s=√s²= | 0.7156 |   |   |   |   |   |
  |   |   |   |   |   |   |   |   |   |
  |   |   |   |   |   |   |   |   |   |
  |   | Comprobación |   |   |   |   |   |...