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甲、乙两名射击运动员在一次训练中,每人各打10发子弹,根据命中环数求得方差分别是...
甲、乙两名射击运动员在一次训练中,每人各打10发子弹,根据命中环数求得方差分别是
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413139786888/SYS201311011854131397868012_ST/0.png)
=0.6,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413139786888/SYS201311011854131397868012_ST/1.png)
=0.8,则运动员
的成绩比较稳定.
考点分析:
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