A population has a mean u=85 and a standard deviation a=22. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=230. H-(Simplify your answer.)

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A: Formula : sample mean : x̄=Σx/n

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A: *Answer:

Q: 1. A student listed 10 of his classmates' scores: 34, 42, 27, 34, 45, 32, 31, 44, 33, 31 a.…

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Q: written as

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