Which of the following always happens when the mean is subtracted from a set of numbers, and all the differences are summed?
A) The sum is 0.
B) The sum is 1.
C) The sum is equal to the mean.
D) The sum is equal to the variance.

Question

Quizplus · Accepted Answer

When the mean is subtracted from each number in a set and all the differences are summed, the result is always 0 because the mean is the average of the numbers, and subtracting it from each number balances out the total to zero.

Which of the Following Always Happens When the Mean Is