Question

Easy question: will medal
When you're estimating population means, or when you're doing hypothesis tests about population means, when is it appropriate to use the t procedures?

When you're unsure about whether your sample is normally distributed.

When you don't know your population mean.

When you don't know your population standard deviation and your sample is strongly skewed.

When you don't know your population standard deviation and your sample shows no signs of extreme skewness or outliers.

When you don't know your sample size.

Answer 1

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