NO.PZ2022123001000028
问题如下：
The least accurate statement about measures of dispersion for a distribution is that the:
选项：
A.range provides no information about the shape of the data distribution B.arithmetic average of the deviations around the mean will be equal to one C.mean absolute deviation will be either less than or equal to the standard deviation解释：
B is correct. The arithmetic sum of the deviations around the mean will always equal zero, not one.
A is incorrect. Range does not provide information about the shape of the distribution.
C is incorrect. The mean absolute deviation will always be less than or equal to the standard deviation.
The mean absolute deviation will always be less than or equal to the standard deviation.这个结论是怎么来的
