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All had small sample sizes and confidence intervals were wide.
这三组试验都有样本数少，信赖区间宽的问题。
youdao
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It is the best general technique for producing confidence intervals.
这是一种用来产生置信区间的通用技术。
youdao
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It is the best general technique for producing confidence intervals.
这是一种用来产生置信区间的通用技术。
youdao