找大侠帮忙计算一组数的变异系数,谢谢.找大侠帮忙计算一组数的变异系数,我自己计算的怎么大于100%呢?5.77,10.81,27.24,221.29,15.48,8.37,37.63,84.95,16.52,192.83,71,22.12,75.6,71.86,158.78,25.8,22.09,15.14,16.56,57.89,共20个数字.谢谢.

问题描述:

找大侠帮忙计算一组数的变异系数,谢谢.
找大侠帮忙计算一组数的变异系数,我自己计算的怎么大于100%呢?5.77,10.81,27.24,221.29,15.48,8.37,37.63,84.95,16.52,192.83,71,22.12,75.6,71.86,158.78,25.8,22.09,15.14,16.56,57.89,共20个数字.谢谢.

X=57.8865
S=63.1922
C=S/X*100%=109.17%