The average of n numbers x1, x2.....xn is $$\overline x $$ .Then the value of $$

Question

The average of n numbers x1, x2.....xn is $$\overline x $$ .Then the value of $$\sum\limits_{i\, = \,1}^n {} \left( {{x_i} - \overline x } \right)$$ is equal to -

Options:

A . n

B . 0

C . n$${\overline x }$$

D . $${\overline x }$$

Answer: Option B

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