Question

18. The values of 11 observations are1,1,2,2,3,3,4,4,8,6,5. If, one of the missing values was
included later and then the average are calculated as 4, Then the value of a missing
observation is
(a)10
(b)9
(0)11
(d)12

Answer 1

Answer:

x=9

Explanation:

let missing value be x

According to question

1+1+2+2+3+3+4+4+8+6+5+x/12=4

39+x/12=4

39+x=4*12

39+x=48

x=48-39

x=9

please mark as brainliest

Answer 2

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