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Question

Because averages are less variable than individual outcomes, what is true about the standard deviation of the sampling distribution of x-bar?

What is the mean of the sampling distribution of x-bar, if x-bar is the mean of an SRS (simple random sample) of size n drawn froma large population with mean (mu) and standard deviation (sigma)?

What is the standard deviation of the sampling distribution of x-bar, if x-bar is the mean of an SRS (simple random sample) of size n drawn from a large population with mean (mu) and standard deviation (sigma)?

Answer 1

You should get off the internet and crack open those books. You don't learn anything if you don't actually do it yourself, cheating will hurt you in the long run. Trust me i would know from experience.