MEDIDAS DE TENDENCIA CENTRAL (DATOS AGRUPADOS) CON NUMEROS DECIMALES
dimemiguelTarea13 de Noviembre de 2015
440 Palabras (2 Páginas)346 Visitas
EJERCICIO 1 MEDIDAS DE TENDENCIA CENTRAL (DATOS AGRUPADOS) CON NUMEROS DECIMALES
[pic 1]
2.80 | 2.50 | 2.30 | 2.10 | 2.0 |
2.30 | 2.22 | 2.35 | 2.40 | 2.40 |
2.22 | 2.10 | 2.45 | 2.70 | 2.85 |
2.70 | 2.65 | 2.20 | 2.10 | 2.0 |
2.50 | 2.45 | 2.70 | 2.75 | 2.65 |
2.30 | 2.22 | 2.40 | 2.10 | 2.0 |
2.40 | 2.90 | 2.85 | 2.70 | 2.75 |
= 85.01 = 2.43 [pic 2]
Mediana Impar= n+1 = 35+1 = 18 ∴ la mediana = 2.40 [pic 3][pic 4]
Moda= 2.10, 2.40, 2.70 ∴ moda trimodal[pic 5]
TABLA DE DISTRIBUCION SIMPLE[pic 6]
Xi | Fi | Xi * Fi |
2.0 | 3 | 6.0 |
2.10 | 4 | 8.40 |
2.20 | 1 | 2.20 |
2.22 | 3 | 6.66 |
2.30 | 3 | 6.90 |
2.35 | 1 | 2.35 |
2.40 | 4 | 9.60 |
2.45 | 2 | 4.90 |
2.50 | 2 | 5.0 |
2.65 | 2 | 2.30 |
2.70 | 4 | 5.40 |
2.75 | 2 | 5.50 |
2.80 | 1 | 2.80 |
2.85 | 2 | 5.70 |
2.90 | 1 | 2.90 |
35 | 85.01 |
= 85.01 = 2.43 [pic 7]
Mediana Impar= n+1 = 35+1 = 18 [pic 8][pic 9]
∴ La mediana = 2.40
Moda= 2.10, 2.40, 2.70 ∴ moda trimodal[pic 10]
[pic 11]
EJERCICIO 2 MEDIDAS DE TENDENCIA CENTRAL (DATOS AGRUPADOS) CON NUMEROS ENTEROS
50 | 90 | 59 | 63 | 72 | 81[pic 12] |
99 | 52 | 93 | 85 | 60 | 70 |
80 | 55 | 67 | 33 | 55 | 96 |
55 | 66 | 84 | 71 | 47 | 55 |
51 | 52 | 49 | 73 | 81 | 46 |
39 | 38 | 45 | 50 | 55 | 81 |
90 | 59 | 63 | 60 | 85 | 51 |
55 | 67 | 33 | 99 | 52 | 93 |
45 | 59 |
= 3,209 = 64.18 [pic 13]
Mediana par= n y n + 2 = 50 = 25 50+2= 26 ∴ 25+26 = 51 = 25.5 = 26[pic 14][pic 15][pic 16][pic 17][pic 18][pic 19]
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