欲比较该山区健康成年男性与一般健康成年男性的身高是否有差异,检验统计量的计算公式为

A、[img=~/QImg/2013-10-14-11-38-02/image019.gif]
B、[img=~/QImg/2013-10-14-11-38-02/image020.gif]
C、[img=~/QImg/2013-10-14-11-38-02/image021.gif]
D、[img=~/QImg/2013-10-14-11-38-02/image022.gif]
E、[img=~/QImg/2013-10-14-11-38-02/image023.gif]