Difficulty faced in understanding the concept of sampling distribution

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#1

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https://app.dataquest.io/m/106/significance-testing/5/permutation-test

#2

@4jvarun

please follow this guideline to format your question, for the community to help you effectively.

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#3

Kindly format the question as suggested by @Rucha

The idea behind the concept of sampling distribution is central limit theorem. One of the takeaways from this theorem is that when the number of sample is more than 30, the means are normally distributed/ approach normal distribution.

You can find many resources on the internet that explain this concept.