If the mean of 5,7,X and 15 is 10 then X = ......... .
Manish280697:
13 since (13+7+5+15)/4 equal to 10
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Answered by
1
(5+7+x+9+15)/5=10
(36+x)=50
x=14
(36+x)=50
x=14
Sorry there is 9 too in it ...
where
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Answered by
0
mean = sum of observations / total no. of obsevations
10 = 5+7+x+15 /4
40 = 27+x
x = 13
10 = 5+7+x+15 /4
40 = 27+x
x = 13
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