Let n ³ 3 .A list of numbersx1, x2,.........xn has mean m and standard deviation s . A new list of numbers y1, y2,..........yn is made as follows : and yj = x for j = 3,4,.......n . The mean and the standard deviation of the list are. Then which of the following is necessarily true?

Let n ³ 3 .A list of numbersx1, x2,.........xn has mean m and standar

1.	Let n ³ 3 .A list of numbersx1, x2,.........xn has mean m and standard deviation s . A new list of numbers y1, y2,..........yn is made as follows : and yj = x for j = 3,4,.......n . The mean and the standard deviation of the list are. Then which of the following is necessarily true?
Answer» Let n ³ 3 .A list of numbersx_1,x₂,.........x_n has mean m and standard deviation s . A new list of numbers y₁, y₂,..........y_n is made as follows : and y_j = x for j = 3,4,.......n . The mean andthe standard deviation of the list are. Then which of the following is necessarily true?