Question

u Find out the standard deviation of the following 8, 7, 11, 9, 10, 8, 2, 4, 6, 7 data 5 7

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Answer 1

$answer$

SOLUTION

correct option is

Heren=8

mean,u =£xi 64

__ = __ =8

n 8

value of deviation ons (xi-u) are

-3,1,0,4,-2,2 ,-2,0

variance¶^=£(xi-u)^

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n

(-3-8) ^_(1-8) ^_(0-8) ^_(4-8) ^_(-2-8) ^_(0-8) ^

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8

ion, S.Dæ^

2.17

Hope this answer