刘同学2018-04-10 22:15:14
刘同学The sampling error is best described as the: A Sum of squared deviations from the mean divided by the sample size minus one. B Difference between the observed value of a statistic and the quantity it is intended to estimate. C Sample standard deviation divided by the square root of the sample size c也对吧？
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Sinny2018-04-11 18:40:36
Sinny同学你好。
C不对。C说的是standard error。标准误。也就是样本均值的标准差。
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