If the population distribution is unknown, in most cases the sampling distribution of the mean can be approximated by the normal-未来题库

If the population distribution is unknown, in most cases the sampling distribution of the mean can be approximated by the normal

If the population distribution is unknown, in most cases the sampling distribution of the mean can be approximated by the normal distribution if the sample size is at least 15 observations。

A.正确

B.错误

正确答案：B

Tags:Distribution The approximated

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