Sampling distribution of the sample means (Normal distribution) proof | ExamSolutions

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Sampling distribution of the sample means (Normal distribution) proof

In this tutorial, we learn how to prove the result for the sampling distribution of sample means from a normal distribution.


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people are gonna think im a bot or something xd but your videos are a gift from heaven :v you explain this stuff so well! I wish I had found these earlier but I can at least recommend them to my brother :)

alicepetal
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What does Miu of x bar mean? Does Miu equal to mean? I thought x bar itself is already the mean of sample size. Miu of x bar would be the mean of the mean of x bar?

TaylorQuince
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also, why does 1 over n need to be squared?

TaylorQuince