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大老王 · 2020年10月14日

问一道题:NO.PZ2018062016000058

问题如下:

Stock A has a skewness of -1.58 while Stock B has a skewness of 3.15.Which of the following statements is least accurate?

选项:

A.

The mean is larger than the mode for Stock A.

B.

The mode is large than the mean for Stock A.

C.

The median is less than the mean for Stock B.

解释:

A is correct. Stock A with negative skewness has a long tail on its left side, the mean is less than the median, which is less than the mode.For the positively skewed B, the mode is less than the median, which is less than the mean.

老师,negative skewness=left skwenss,positive skewness=right skewness是这样吗

1 个答案

星星_品职助教 · 2020年10月14日

同学你好,

negative skewness=left skwenss,positive skewness=right skewness。这个对应是正确的