问题
单项选择题 B1型题
要求用百分位数法确定正常值范围的是（）
A.正态分布
B.标准正态分布
C.偏态分布
D.t分布
E.F分布
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
要求用百分位数法确定正常值范围的是（）
A.正态分布
B.标准正态分布
C.偏态分布
D.t分布
E.F分布
参考答案：C
根据短文内容，从短文后的A-E选择中，选出适当的选项补全短文，并将代表句子的字母填写在答题卡相应的题号位置上。 There are two days we shouldn't worry about in our life. One is yesterday, 小题1: . Yesterday is gone forever. 小题2: . So it is useless to worry about it. We cannot control tomorrow. 小题3:, maybe something good or bad. No matter tomorrow is sunny or cloudy, the sun will rise as usual. So we have only one day left. What is it? 小题4:. Today is the most important for everyone. It is the only day for us to fight for ourselves. We can control it. We can choose what to do and what not to do. We can choose how to do it. Treasure Today, 小题5: .
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