Question: A simple random sample of size n=80 is obtained from a population that is skewed left with =87 and =4. Does the population need to

A simple random sample of size n=80 is obtained from a population that is skewed left with =87 and =4. Does the population need to be normally distributed for the sampling distribution of x over bar

to be approximately normallydistributed?

Why? What is the sampling distribution of x over bar ?

Does the population need to be normally distributed for the sampling distribution of x over bar to be approximately normallydistributed? Why?

What is the sampling distribution of x over bar ?

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