Ejercicio Simetría Curtosis

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Mes n
Ventas por 
mes (ton)
(Xi-X) (Xi-X)^2
ene-05 1 104.567 -3.070 9.426.683
feb-05 2 98.765 -8.872 78.717.536
mar-05 3 129.078 21.441 459.704.031
abr-05 4 88.781 -18.856 355.559.685
may-05 5 110.001 2.364 5.587.123
jun-05 6 115.678 8.041 64.653.012
jul-05 7 99.999 -7.638 58.343.479
ago-05 8 100.089 -7.548 56.976.687
sep-05 9 110.321 2.684 7.202.298
oct-05 10 78.642 -28.995 840.726.861
nov-05 11 121.056 13.419 180.061.769
dic-05 12 117.402 9.765 95.349.555
ene-06 13 110.743 3.106 9.645.433
feb-06 14 99.211 -8.426 71.002.369
mar-06 15 145.098 37.461 1.403.304.770
abr-06 16 103.293 -4.344 18.872.858
may-06 17 107.140 -497 247.298
jun-06 18 109.835 2.198 4.829.928
jul-06 19 97.150 -10.487 109.983.258
ago-06 20 123.765 16.128 260.103.019
sep-06 21 104.856 -2.781 7.735.576
oct-06 22 101.101 -6.536 42.723.091
nov-06 23 94.818 -12.819 164.334.204
dic-06 24 129.456 21.819 476.056.092
ene-07 25 108.561 924 853.240
feb-07 26 101.932 -5.705 32.550.338
mar-07 27 65.945 -41.692 1.738.247.072
abr-07 28 125.678 18.041 325.467.206
may-07 29 105.610 -2.027 4.109.906
jun-07 30 114.876 7.239 52.398.918
jul-07 31 113.309 5.672 32.168.291
Promedio 107.637 0 6.966.941.584 232.231.386
Varianza 232.231.386 15.239
Desv Std 15.239
DESVIACION ESTANDAR
(Xi-X)^3 (Xi-X)^4
-28.942.652.560 88.862.346.065.337
-698.404.829.039 6.196.450.405.924.260 MIN-85 2
9.856.380.676.317 211.327.796.551.043.000 85-90 1
-6.704.536.642.264 126.422.689.404.905.000 90-95 1
13.206.337.742 31.215.948.324.030 95-100 4
519.856.100.200 4.180.011.975.742.140 100-105 6
-445.644.431.429 3.403.961.547.894.570 105-110 4
-430.076.573.540 3.246.342.838.017.550 110-115 5
19.328.875.856 51.873.091.189.625 115-120 2
-24.377.119.413.519 706.821.654.623.196.000 120-125 2
2.416.196.607.673 32.422.240.801.932.000 125-130 3
931.060.723.269 9.091.537.654.771.500 130-MAX 1
29.955.913.370 93.034.370.049.172 31
-598.286.571.418 5.041.336.346.869.390
52.568.792.560.522 1.969.264.276.202.200.000
-81.989.176.136 356.184.784.445.684
-122.978.736 61.156.135.081
10.614.779.125 23.328.202.806.520
-1.153.426.360.521 12.096.317.108.504.800
4.194.865.983.734 67.653.580.721.350.200
-21.514.882.275 59.839.133.862.311
-279.250.527.438 1.825.262.520.065.290
-2.106.647.875.808 27.005.730.727.436.100
10.386.929.661.242 226.629.402.718.423.000
788.145.646 728.017.760.671
-185.709.126.476 1.059.524.482.101.120
-72.471.501.592.473 3.021.502.884.506.760.000
5.871.659.366.922 105.928.901.963.339.000
-8.331.972.766 16.891.327.756.506
379.300.553.321 2.745.646.585.978.650
182.449.205.470 1.034.798.924.303.570
-740.337.337.200 218.187.412.232.972.000
3.539.006.592.212 53.931.416.711.402.400
-0,21 4,05
Negativa Leptocurtica
MEDIDAS DE SIMETRIA Y CURTOSIS
0
1,5
3
4,5
6
0,06
0,03
0,03
0,13
0,19
0,13
0,16
0,06
0,06
0,10
0,03
1
0,00
0,05
0,10
0,15
0,20