The value of the sum of the deviations from the mean, i.e., must always be ___
A、less than the zero.
B、negative.
C、either positive or negative depending on whether the mean is negative or positive.
D、zero.
发布时间:2025-09-05 08:02:46
A、less than the zero.
B、negative.
C、either positive or negative depending on whether the mean is negative or positive.
D、zero.