SKEWP
计算分布的偏度，使用任意变量的总体。
SKEWP(Number 1 [; Number 2 [; … [; Number 255]]])
The parameters should specify at least three values.
This function ignores any text or empty cell within a data range. If you suspect wrong results from this function, look for text in the data ranges. To highlight text contents in a data range, use the value highlighting feature.
SKEWP(2;3;1;6;8;5) returns 0.2329985562
SKEWP(A1:A6) returns 0.2329985562, when the range A1:A6 contains {2;3;1;6;8;5}