Find the value of x if the mean of the following data is 9: 12,5,3,18,10,17,x,6,6.
Answers
Answered by
21
As we know,
Mean = Sum of all terms / No. of terms
i.e.( 12+5+3+18+10+17+x+6+6)/9 = 9
Or, 77+x = 81
Or, x = 4.
So, Value of x = 4.
Mean = Sum of all terms / No. of terms
i.e.( 12+5+3+18+10+17+x+6+6)/9 = 9
Or, 77+x = 81
Or, x = 4.
So, Value of x = 4.
Answered by
5
Value of x is 4
77+x÷9=9
x=81-77
x=4
77+x÷9=9
x=81-77
x=4
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