Question: According to Six Sigma DMAIC, if the sample size is large enough (>=30) when conducting a hypothesis test for the mean, you don't have to

According to Six Sigma DMAIC, if the sample size is large enough (>=30) when conducting a hypothesis test for the mean, you don't have to worry about which assumption? a)risk of a Type 1 error b)Independence c)Normality d)Equal Variance

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