Graficas

PROBLEMA 3
Li | Ls | fi | Xi | Fixi | Fi | [xi-x] | [xi-x]2 | Fi[xi-x]2 |
[60-65] | II | 2 | 62.5 | 125 | 2 | 60.25 | 3630.06 | 7260.12 |
[65-70] | I | 1 |67.5 | 67.5 | 3 | 65.25 | 4257.56 | 4257.56 |
[70-75] | IIII | 4 | 72.5 | 290 | 7 | 70.25 | 4935.06 | 19740.24 |
[75-80] | IIII | 4 | 77.5 | 310 | 11 | 75.25 |5662.56 | 22650.12 |
[80-85] | II | 2 | 82.2 | 165 | 13 | 80.25 | 6440.06 | 12880.12 |
[85-90] | II | 2 | 87.5 | 175 | 15 | 85.25 | 7267.56 | 145355.12 |[90-95] | II | 2 | 92.5 | 185 | 17 | 90.25 | 8145.06 | 16290.12 |
[95-100] | I | 1 | 97.5 | 97.5 | 18 | 95.25 | 9072.56 | 9072.56 |

PROBLEMA 1
XI | RECUENTO |fi | Fi | ni | Ni |
22,500 | I | 1 | 1 | o.1 | 0.1 |
31,500 | IIII | 4 | 5 | 0.4 | 0.5 |
35,200 | I | 1 | 6 | 0.1 | 0.6 |
36,750 | I | 1 | 7 | 0.1 | 0.7 |37,500 | I | 1 | 8 | 0.1 | 0.8 |
39,000 | I | 1 | 9 | 0.1 | 0.9 |
45,000 | I | 1 | 10 | 0.1 | 1 |

PROBLEMA 2
SALARIOS | fi | Fi |
50-59 | 8 | 8 |60-69 | 10 | 18 |
70-79 | 16 | 34 |
80-89 | 14 | 48 |
90-99 | 10 | 58 |
100-109 | 5 | 63 |
110-119 | 2 | 65 |


PROBLEMA 4
Li | Ls | fi | xi | fixi| Fi | [xi-x] | [xi-x]2 | Fi[xi-x]2 |
3 | 3.9 | 4 | 3.45 | 13.8 | 4 | -3.69 | 13.616 | 54.464 |
4 | 4.9 | 4 | 4.45 | 17.8 | 8 | -2.69 | 7.236 | 28.944 |
5 |5.9 | 5 | 5.45 | 27.25 | 13 | -1.69 | 2.856 | 14.28 |
6 | 6.9 | 8 | 6.45 | 51.6 | 21 | -0.69 | 0.476 | 3.808 |
7 | 7.9 | 13 | 7.45 | 96.85 | 34 | 0.31 | 0.096| 1.248 |
8 | 8.9 | 11 | 8.45 | 92.95 | 45 | 1.31 | 1.716 | 18.876 |
9 | 9.9 | 5 | 9.45 | 47.25 | 50 | 2.31 | 5.336 | 26.68 |
| | 50 | | | | | | |