Estadistica

Estadística

Estaturas alumnos del CUM 6 año
1.55,1.55,1.58,1.58,1.59,1.59,1.59,1.60,1.61,1.63,1.63,1.64,1.64,1.65,1.65,1.65,1.65,1.65,1.66,1.66,1.67,1.67,1.67,1.67,1.68,1.68,1.68,1.68,1.68,1.68,1.69,1.70,1.70,1.70,1.70,1.70,1.71,1.71, 1.72,1.72,1.73,1.73,1.73,1.73,1.73,1.73,1.73,1.73,1.74,1.74,1.74,1.74,1.74,1.74,1.75,1.75,1.75,1.75,1.75,1.76,1.76,1.76,1.77,1.77,1.77,1.77,1.78,1.78,1.78,1.79,1.79,1.79,1.80,1.80,1.80,1.80, 1.81,1.81,1.82,1.82,1.82,1.82,1.82,1.83,1.83,1.83,1.83,1.84,1.85,1.87,1.88,1.89,1.90,1.92,1.93, 1.95,1.97,2.03,2.05,2.10
Clase | LI | LS | FREC |MC | LI ex | LS ex | FAA | FAD | FREC rel. |
A | 1.55 | 1.59 | 7 | 1.57 | 1.545 | 1.595 | 7 | 93 | 0.07 |
B | 1.60 | 1.64 | 6 | 1.62 | 1.595 | 1.645 | 13 | 87 | 0.06 |
C | 1.65 | 1.69 | 18 |1.67 | 1.645 | 1.695 | 31 | 69 | 0.18 |
D | 1.70 | 1.74 | 23 | 1.72 | 1.695 | 1.745 | 54 | 46 | 0.23 |
E | 1.75 | 1.79 | 18 | 1.77 | 1.745 | 1.795 | 72 | 28 | 0.18 |
F | 1.80 | 1.84 | 16 | 1.82 |1.795 | 1.845 | 88 | 12 | 0.16 |
G | 1.85 | 1.89 | 4 | 1.87 | 1.845 | 1.895 | 92 | 8 | 0.04 |
H | 1.90 | 1.94 | 3 | 1.92 | 1.895 | 1.945 | 95 | 5 | 0.03 |
I | 1.95 | 1.99 | 2 | 1.97 | 1.945 |1.995 | 97 | 3 | 0.02 |
J | 2.00 | 2.40 | 3 | 2.20 | 1.995 | 2.045 | 100 | 0 | 0.03 |

Número de clases= /100= 10
Ancho de clases= ( 2.1-1.55)/10= .055
Unidad de variación= .01
Ancho de claseajustado= .1
Media
x=( 1.57(7)+6(1.62)+18(1.67+23(1.72)+18(1.77)+16(1.82)+4(1.87)+3(1.92)+2(1.97)+3(2.20))/100=
x=1.75
Mediana
x=101/2= 50.5
x=1.695+((50-31)/23)x.055
x=1.74
Moda
x=1.695+((23-18)/2(23)-18-18
x=2.195
Cuantiles
Q1=100/4+.5= 25.5
Q1= 1.645+(25-130)/18x.055= 1.6816
Q3=(3(100))/4+.5= 75.5
Q3= 1.795+(75-72)/16x.055= 1.8053
D2=(2(100))/10+.5= 20.5D2=1.645+(20-13)/18x.055= 1.6663
D7=(7(100))/10+.5=70.5
D7=1.745+(70-54)/18x.055= 1.7938
P15=(15(100))/100+.5=15.5
P15=1.645+(15-13)/18x.055= 1.6511
P75=(75(100))/100+.5= 75.5
P75= 1.795+(75-72)/16x.055= 1.8053...