甲、乙两个同学近期5次百米跑测试成绩的平均数相同，甲同学成绩_爱下问搜题

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问题填空题

甲、乙两个同学近期5次百米跑测试成绩的平均数相同，甲同学成绩的方差S²_甲=4，乙同学成绩的方差

S²_乙=3.1，则测试成绩较为稳定的是（）

答案

乙

填空题

选词填空。

first travel swim take shout stay buy delicious good beautiful

    I went to a trip to Qingdao on the summer holiday. It was the first time for me 1.               . And
it was the 2.               time for me to see the sea.How excited when I saw the sea! There were many
visitors there. Some of them 3.                and some of them 4.               photos when I got there. I
couldn't stop 5.                . "The sea, I love you!" I 6.                there for 3 days. I 7.                some
things for my friends, and I ate a lot of sea food. The food was 8.               . I had a 9.                time
there. It is so 10.               that I want to visit it again.

单项选择题

用MIPS来衡量的计算机性能指标是______。

A．字长
B．存储容量
C．运算速度
D．传输速率