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Populaire Statistiques >

variation 90.4,80.43,100.54,91.32,102.23,109.43,101.32,82.43,79.33,92.3

Solution

variation

90.4, 80.43, 100.54, 91.32, 102.23, 109.43, 101.32, 82.43, 79.33, 92.3

Solution

105.31951 \dots

étapes des solutions

C a l c u l er l a m oye nn e, \overset{x}{ˉ} : 92.973

Calculer

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 947.87561

Calculer le nombre de termes dans l'ensemble de données:

n = 10

Calculer

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 105.31951 \dots

105.31951 \dots

Exemples populaires

C (6, 2)

std 100,140,130,180,80,160

s t d 100, 140, 130, 180, 80, 160

std 10.5,3.3,5.3

s t d 10.5, 3.3, 5.3

19 C 2

arithmeticmean 10,9,8,7,8,6,10,6

a r i t hm e t i c m e an 10, 9, 8, 7, 8, 6, 10, 6