calulate the mean and variance of the following numbers:6,8,9,11,12,19

Find the median of the following numbers:0,64 0,65 0,65 0,65 0,67 0,68 0,68
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???????????????? "meen"....dont be meen ???????????? . . . yer 6 numbers giv sum=65, so the . . . AVERAEJ=10.833333333333333333.... . . "median"=10
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