网络释义专业释义
双语例句原声例句
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用传统方法得到的两正态分布方差比的置信区间显然不是最短的，因而就此意义而言也不是最佳的。
The traditional method the confidence interval is not the shortest, so it is not the best one in this sence. Obtained the shortest confidence interval in theory.
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图1：平均值为3且方差为1的正态分布。
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针对医生提供的数据，在样本服从正态分布的假设下，进行了频数分析、配对检验和方差分析。
According to data provided by doctor, under the assumption that sample is normal, performed frequency analysis, pair test and variance analysis.
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Central tendency is a measure of the center of a probability distribution of the-- Central tendency is a measure-- Variance is a measure of how much things change from one observation to another.
集中趋势用以描述,一组概率分布的中心,集中趋势...,而方差衡量的是,各个观察值之间的变化
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