标准差

${\sigma }_1$

${\sigma }_2$

${\sigma }_3$

${\sigma }_4$

${\sigma }_5$

${\sigma }_6$

${\sigma }_7$

${\sigma }_8$

3.0

11.7

4.1

17.3

103.3

83.6

1044.4

7.9