Choose the correct answer in each of the following questions: If ¯x is the mean of x1,x2,xy,…xn then ∑ni=1(xi−¯x)=? (a) -1 (b) 0 (c) 1 (d) n-1

Choose the correct answer in each of the following questions: If ¯x

1.	Choose the correct answer in each of the following questions: If ¯x is the mean of x1,x2,xy,…xn then ∑ni=1(xi−¯x)=? (a) -1 (b) 0 (c) 1 (d) n-1
Answer» Choose the correct answer in each of the following questions: If $¯ x$ is the mean of $x_{1}, x_{2}, x_{y}, \dots x_{n}$ then $\sum_{i = 1}^{n} (x_{i} - ¯ x) = ?$ (a) -1 (b) 0 (c) 1 (d) n-1