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Crystal2022-05-06 17:35:20
The mean of Y is identical to the mean of X.
B
The location shift of A has no effect on the variance of Y.
C
The skewness of Y is identical to the skewness of X.
D
The kurtosis is affected by decreasing linear transformations
A选项的意思是x和y的均值是一样的
B选项的意思是截距a的变动不会影响y的方差
C选项的意思是x和y的偏度是一样的
D选项的意思是峰度不会受到斜率为负数的影响。
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