If X is the mean of n variables x1, x2,......., xn of variable X and a has any value other than X, is _____________ than ∑i=1nxi-a2.

If X is the mean of n variables x1, x2,......., xn of variable X and a

1.	If X is the mean of n variables x1, x2,......., xn of variable X and a has any value other than X, is _____________ than ∑i=1nxi-a2.
Answer» If $X$ is the mean of n variables x₁, x₂,......., x_n of variable X and a has any value other than $X$ , is _____________ than $\sum_{i = 1}^{n} {(x_{i} - a)}^{2} .$