题目内容

三名不同的运动A、B、C同时在同一条件下进行打靶比赛，各打10发子弹，他们打中的环数如下：A：8,7,9,10,9,6,5,8,10,5B：8,7,9,6,8,9,10,7,8,9C：10,10,9,6,8,3,5,6,7,4问这三名运动的稳定性是否一样(α=0.05)？

查看答案

搜索结果不匹配？点我反馈

更多问题

It was two years ago______his sister became a doctor.

A. that
B. where
C. who
D. What

Jack called the airline to ___________his flight to Beijing this morning.

A. improve
B. believe
C. insure
D. cancel

To work __________with the machine,you must read the instructions carefully.

A. firstly
B. naturally
C. efficiently
D. Generally

She told us briefly about how they succeeded in ________ the new product.

A. develop
B. to develop
C. developed
Developing