Question

If the mean of the data x1, x2, ..., xn is d, find the mean of αx1, αx2, ..., αxn.

a. αd
b. d/α
c. d
d. α^2d

Answer 1

The mean of αx1, αx2, ..., αxn is αd.

Step-by-step explanation:

To find the mean of αx1, αx2, ..., αxn when the mean of the original data x1, x2, ..., xn is d, we can use the formula: mean = α * d. So, the answer is option a. αd.