NUTRESA intervalo 3.95 3.26 2.57 1.88 1.19 0.5 -0.19 -0.88 -1.57
N DE DATOS RANGO INTERVALO AMPLITUD tasa promedio ponderada
246 6.26 9 0.69 0.08207317
4.64 3.95 3.26 2.57 1.88 1.19 0.5 -0.19 -0.88
MARCA DE CLASE X FRECUENCIA ABSOLUTA ni 4.295 1 3.605 1 2.915 1 2.225 1 1.535 11 0.845 39 0.155 109 -0.535 61 -1.225 22 246
FRECUENCIA ABSOLITA ACUMULADO NI FRECUENCIA RELATIVA f frecuencia relativa absoluta FI 1 0.0040650407 0.0040650407 2 0.0040650407 0.0081300813 3 0.0040650407 0.012195122 4 0.0040650407 0.0162601626 15 0.0447154472 0.0609756098 54 0.1585365854 0.2195121951 163 0.4430894309 0.662601626 224 0.2479674797 0.9105691057 246 0.0894308943 1 1
histograma nutresa 120 109
100 80 60
61
40
39
20 0
22 11 1 4.295
1 3.605
1 2.915
1 2.225
1.535
0.845
0.155
-0.535
-1.225
5
Xi*Fi 4.295 3.605 2.915 2.225 16.885 32.955 16.895 -32.635 -26.95 20.19
22 -1.225
(X - ͠X)^2 (X - ͠X)^2*ni 17.7487524688 17.7487524688 12.996025 12.996025 8.497225 8.497225 4.950625 4.950625 2.356225 25.918475 0.714025 27.846975 0.024025 2.618725 0.286225 17.459725 1.500625 33.01375 151.0502774688