| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| 1 | 2.8 | 3.0 | 3.0 | 3.5 | 2.7 | 2.7 | 3.2 | 2.7 | 2.8 | 3.2 | 2.9 | 2.6 | 2.9 | 2.3 | 2.6 | 3.1 | 2.2 | 2.5 |
| 2 | 2.9 | 2.7 | 2.5 | 3.2 | 3.2 | 3.1 | 3.7 | 2.8 | 2.5 | 2.6 | 2.5 | 2.8 | 3.2 | 2.6 | 3.0 | 2.8 | 2.9 | 3.2 |
| 3 | 2.8 | 2.8 | 3.3 | 2.8 | 3.2 | 3.0 | 3.2 | 3.0 | 3.4 | 2.9 | 3.3 | 3.0 | 2.9 | 3.1 | 3.0 | 3.1 | 3.1 | 2.9 |
| 4 | 3.0 | 3.1 | 2.7 | 2.9 | 3.0 | 3.1 | 2.9 | 2.9 | 2.3 | 3.3 | 3.1 | 3.0 | 3.1 | 2.7 | 3.1 | 3.3 | 2.9 | 2.5 |
| 5 | 2.8 | 2.6 | 3.1 | 2.7 | 2.5 | 3.1 | 3.1 | 3.0 | 3.2 | 3.0 | 2.7 | 3.0 | 3.0 | 2.5 | 2.4 | 2.7 | 3.1 | 3.1 |
| 6 | 3.0 | 3.2 | 3.1 | 2.9 | 2.7 | 2.5 | 2.8 | 2.6 | 3.5 | 3.4 | 3.6 | 3.0 | 2.7 | 2.9 | 3.4 | 3.2 | 3.1 | 2.7 |
| 7 | 2.7 | 3.1 | 2.8 | 2.6 | 2.5 | 2.8 | 3.0 | 2.9 | 2.9 | 3.2 | 2.6 | 3.1 | 2.6 | 2.8 | 3.1 | 3.2 | 3.1 | 2.4 |
| 8 | 2.6 | 3.3 | 2.4 | 3.1 | 3.0 | 2.8 | 2.7 | 2.5 | 3.1 | 2.5 | 2.4 | 3.1 | 2.8 | 2.6 | 2.8 | 2.7 | 2.8 | 3.0 |
| 9 | 2.6 | 3.1 | 2.6 | 2.9 | 3.4 | 3.4 | 3.1 | 3.1 | 2.9 | 2.8 | 3.3 | 2.5 | 2.5 | 2.7 | 2.9 | 2.8 | 2.8 | 2.5 |
| 10 | 2.4 | 2.5 | 2.9 | 2.7 | 2.7 | 3.1 | 2.4 | 2.6 | 2.9 | 2.6 | 2.8 | 2.8 | 3.4 | 3.1 | 3.2 | 2.8 | 2.8 | 2.5 |
| MÍNIMO | 2 | |
| MÁXIMO | 3.7 | |
| RANGO | 1.7 | |
| categorías o clases | FRECUENCIAS | MEDIDAS DE TENDENCIA CENTRAL Y DISPERSIÓN | |||||
| Xi | fi | fai | fri | frai | fixi | (Xi - x) fi | (Xi - X)^2 fi |
| 2 | 1 | 1 | 0.0033 | 0% | 2 | 0.8853 | 0.7838 |
| 2.2 | 5 | 6 | 0.0167 | 2% | 11 | 3.4267 | 2.3484 |
| 2.3 | 2 | 8 | 0.0067 | 3% | 4.6 | 1.1707 | 0.6852 |
| 2.4 | 12 | 20 | 0.0400 | 7% | 28.8 | 5.8240 | 2.8266 |
| 2.5 | 20 | 40 | 0.0667 | 13% | 50 | 7.7067 | 2.9696 |
| 2.6 | 26 | 66 | 0.0867 | 22% | 67.6 | 7.4187 | 2.1168 |
| 2.7 | 30 | 96 | 0.1000 | 32% | 81 | 5.5600 | 1.0305 |
| 2.8 | 41 | 137 | 0.1367 | 46% | 114.8 | 3.4987 | 0.2986 |
| 2.9 | 35 | 172 | 0.1167 | 57% | 101.5 | 0.5133 | 0.0075 |
| 3 | 36 | 208 | 0.1200 | 69% | 108 | 4.1280 | 0.4733 |
| 3.1 | 42 | 250 | 0.1400 | 83% | 130.2 | 9.0160 | 1.9354 |
| 3.2 | 20 | 270 | 0.0667 | 90% | 64 | 6.2933 | 1.9803 |
| 3.3 | 14 | 284 | 0.0467 | 95% | 46.2 | 5.8053 | 2.4073 |
| 3.4 | 8 | 292 | 0.0267 | 97% | 27.2 | 4.1173 | 2.1191 |
| 3.5 | 4 | 296 | 0.0133 | 99% | 14 | 2.4587 | 1.5113 |
| 3.6 | 1 | 297 | 0.0033 | 99% | 3.6 | 0.7147 | 0.5107 |
| 3.7 | 3 | 300 | 0.0100 | 100% | 11.1 | 2.4440 | 1.9910 |
| 300 | 1.0000 | 2.8853 | 70.9813 | 25.9955 | |||
| totales | |||||||
| desvición media = | 0.24 | ||||||
| varianza = | 0.09 | ||||||
| desviación estándar = | 0.29 | ||||||
| Valores | Ancho | RIC | 0.8 | ||
| Mínimo | 2 | 0.5 | MÍNIMO | 1.3 | |
| Q1 | 2.5 | 0.5 | MÁXIMO | 4.9 | |
| Q2 | 2.9 | 0.4 | |||
| Q3 | 3.3 | 0.4 | |||
| Max | 3.7 | 0.4 | |||
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