If the mean of x1, x2 is 7.5 and the mean of x1, x2, x3 is 8, then the value of x3 is

If the mean of x1, x2 is 7.5 and the mean of x1, x2, x3 is 8, then the

1.	If the mean of x1, x2 is 7.5 and the mean of x1, x2, x3 is 8, then the value of x3 is
A.	9
B.	8
C.	7.5
D.	6
Answer» B. 8

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If the mean of x1, x2 is 7.5 and the mean of x1, x2, x3 is 8, then the value of x3 is

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