The standard error of a statistic provides an indication of how accurate an estimate it is of the population parameter .
统计量的标准误差表示该统计量作为总体参数的估计的准确程度。
The standard error of a statistic provides an indication of how accurate an estimate it is of the population parameter .
统计量的标准误差表示该统计量作为总体参数的估计的准确程度。
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