If y is the mean of x 1 , x 2 , ..., x n , then the value of (x 1 - y) + (x 2 - y) +...+ (x n - y) is

Tripura TET Math Science 2016 Solved Paper

Question : 113 of 150

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If y is the mean of x₁, x₂, ..., x_n, then the value of (x₁ - y) + (x₂ - y) +...+ (x_n - y) is

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