Ejercicio de Estadistica
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Transcript of Ejercicio de Estadistica
Año Trimestre Ventas
1 6.72 4.6
34.0 8.5002002 3 10.0 8.475 1.180
33.8 8.4504 12.7 8.450 1.503
33.8 8.4501 6.5 8.425 0.772
33.6 8.4002 4.6 8.513 0.540
2003 34.5 8.6253 9.8 8.675 1.130
34.9 8.7254 13.6 8.775 1.550
35.3 8.8251 6.9 8.900 0.775
35.9 8.9752004 2 5.0 9.038 0.553
36.4 9.1003 10.4 9.113 1.141
36.5 9.1254 14.1 9.188 1.535
37.0 9.2501 7.0 9.300 0.753
37.4 9.3502 5.5 9.462 0.581
2005 38.3 9.5753 10.8 9.587 1.126
38.4 9.6004 15.0 9.625 1.558
38.6 9.6501 7.1 9.688 0.733
38.9 9.7252006 2 5.7 9.663 0.590
38.4 9.6003 11.1 9.712 1.143
39.3 9.8254 14.5 9.888 1.466
39.8 9.9501 8.0 9.988 0.801
40.1 10.0252007 2 6.2 10.075 0.615
40.5 10.1253 11.4
Total de cuatro
trimestres
Promedio Movil de cuatro
trimestre
Promedio Movil
Centrado
Valor Estcional especifico
4 14.9
TrimestreAños
2002 2003 2004 2005 20061 0.772 0.775 0.753 0.7332 0.540 0.553 0.581 0.5903 1.180 1.130 1.141 1.126 1.1434 1.503 1.550 1.535 1.558 1.466
Factor de Ajuste= 4.00/Suma de las Medias = 4.00/4.008= 0.9979
Años20070.801 0.766 76.6490.615 0.575 57.467
1.138 113.7941.529 152.9174.008
Media Modificada
Media*Factor de Ajuste*100