Leyes

10. Análisis Estadístico

Datos Desordenados

62 37 44 60 45 73 61 90 78 65 66 65 70 49 60 77 69 91 61 71

Datos Ordenados Ascendentemente

37 44 45 49 60 60 61 6162 65 65 66 69 70 71 73 77 78 90 91

Calcular e interpretar, Medidas de tendencia central (Media, mediana y moda)

R=91-37= 54 K=1+3.322 Log (N)I= R
K=1+3.322 Log (20) K
K=5.32= 5I= 54
5I=10.8= 11
37-47=III=3
48-58=I=1
59-69=IIIII IIII=9
70-80=IIIII=5
81-91=II=2

I | L. Real | f | fa | xs | fxs | d | f.d1 | x-xs=/d/ | (x-xs)2 | f(x-xs)2 |
37-47 |36.5-47.5 | 3 | 3 | 42 | 126 | -2 | -6 | 23.1 | 533.61 | 1600.83 |
48-58 | 47.5-58.5 | 1 | 4 | 53 | 53 | -1 | -1 | 12.1 | 146.41 | 146.41 |
59-69 | 58.5-69.5 | 9 | 13 | 64 | 576 | 0 | 0 | 1.1 | 1.21| 10.89 |
70-80 | 69.5-80.5 | 5 | 18 | 75 | 375 | 1 | 5 | 9.9 | 98.01 | 490.05 |
81-91 | 80.5-91.5 | 2 | 20 | 86 | 172 | 2 | 4 | 20.9 | 436.81 | 873.62 |
∑f=201302 2 3121.8

x= ∑fxs Md=L+ (N/2-faa) I Mo=L+( ^1 ) i
Nfm ^1+^2
x= 1302 Md=58.5+(20÷2-4) 11 ^1=9-1=8
20 9^2=9-5=4
x= 65.1
Md=58.5+(10-4) 11 Mo=58.5+( 8 ) 11
9 8+4...