capitulo 10

|-- 174,4
	3
	mais de 174,4
	1
Medidas resumo
	Mínimo
	1o quartil
	Mediana
	3o quartil 
	Máximo
	Média
	Variância
	161,5
	165,8
	167,5
	169,4
	174,8
	167,5
	7,8
A distribuição amostral da mediana apresenta uma variabilidade maior em torno da média (igual à mediana) populacional.
Variância, com n-1 no denominador.
	Classe
	Freqüência
	até 1,5
	1
	1,5 |-- 8,7
	9
	8,7 |-- 15,9
	19
	15,9 |-- 23,0
	22
	23,0 |-- 30,2
	12
	30,2 |-- 37,4
	16
	37,4 |-- 44,6
	9
	44,6 |-- 51,8
	7
	51,8 |-- 59,0
	2
	59,0 |-- 66,2
	2
	Mais que 66,2
	1
 Medidas resumo
	Mínimo
	1o quartil
	Mediana
	3o quartil 
	Máximo
	Média
	Variância
	1,48
	12,86
	21,92
	34,57
	73,38
	25,65
	226,60
Problema 41.
	j
	
	
	
	1
	3
	3,00
	0,00
	2
	5
	4,00
	2,00
	3
	2
	3,33
	2,33
	4
	6
	4,00
	3,33
	5
	4
	4,00
	2,50
Problema 42.
; 
.
Problema 43.
Idêntico, substituindo-se S2 no passo [3] por 
.
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