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Statement-1 : The mean of the series x1,...

Statement-1 : The mean of the series `x_1, x_2`,….. `x_n` is x. If `x_2` is replaced by `lambda` then new mean is independent of `lambda`
Statement-2 : `barx` (mean)=`(x_1+x_2+…. +x_n)/n`

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