Since this is a computer article instead of a statistics article here is the abridged and condensed version of polling statistical experimental design.
由于这是一篇关于计算机的文章，而不是关于统计学的文章，因此本文只是一个缩减版的投票统计实验设计。
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The report of experimental operating practice is the statistics of Xianling City middle-test experimental testing score. We can find out the some problems from it.
By analyzing each error source of power meter calibration device, the uncertainty of power meter calibration device is analyzed and calculated with mathematical statistics and experimental method.