网络释义专业释义
样本方差（sample variance）和样本标准差(sample standard deviation)是两个重要的差异量数，求这样两种统计量的值要根据相应的计算公式来求出，我们在后面的...
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pooled sample variance 合并样本方差 ; 综合样本变异数
sample variance matrix [数] 样本方差矩阵
between-sample variance 样本间变异数
generalized sample variance [统计] 广义样本方差
sample variance-covariance matrix 样本方差协方差矩阵
polled sample variance 综合样本方差
finite sample variance matrix 有限样本协方差阵
unbiasedness of sample variance 样本变异数的不偏性
variance of the sample variance 样本方差的方差
双语例句原声例句
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However, these methods are estimated according to sample variance and covariance estimators of returns.
然而，这些方法都是根据样本的变异数或报酬的共变异数估算的估计值。
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Populations, random samples. Sample statistics, moments of the sample mean and variance.
母体， 随机样本。 样本统计， 样本平均数和变异数的动差。
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According to data provided by doctor, under the assumption that sample is normal, performed frequency analysis, pair test and variance analysis.
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。
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That is the sample variance.
这就是样本方差
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There's also another variance measure, which we use in the sample-- There's also another variance measure, which is for the sample.
还有另一个离散指标,我们用以考察样本,这是另一个离散指标,用于考察样本
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