The calculation formulas of sample size based on the error limitation are given for estimation of population mean.

对于样本均值估计总体均值，给出了基于误差限制的样本容量的计算式。

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The calculation formulas of sample size based on the error limitation are given for estimation of population mean.

对于样本均值估计总体均值，给出了基于误差限制的样本容量的计算式。

youdao