2. A school has 6,000 students with a mean weight of 80lbs, with a standard deviation of 25 Ibs. If you draw a random sample of 50 students, what is the mean µz , variance o²z , and standard deviation az of the sampling distribution of the sample mean? (Show solution to gain point in each correct answer o?x = Ox = Hx =

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A: GivenMean(μ)=141standard deviation(σ)=28sample size(n)=56

Q: what is the sample standard deviation?

A:

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A: L

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