The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x ? 8 and x + 6 respectively. If their mean is 4 then the value of x is

The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x ? 8 and x +

1.	The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x ? 8 and x + 6 respectively. If their mean is 4 then the value of x is
A.	5
B.	6
C.	7
D.	8
Answer» D. 8

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The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x ? 8 and x + 6 respectively. If their mean is 4 then the value of x is

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