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The mean of the numbers a,b,8,5,10 is 6 ...

The mean of the numbers a,b,8,5,10 is 6 and the variance is 6.80 .Then which one of the following gives possible values of a and b?

A

a=3,b=4

B

a=0,b=7

C

a=5,b=2

D

a=1,b=6

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