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Suppose a Large Population Has Mean μ and Standard Deviation

Question 16

Multiple Choice

Suppose a large population has mean μ and standard deviation σ, and a simple random sample of size n is taken. What are the mean and variance, respectively, of the sampling distribution of the sample mean x̄?


A) μ / n and σ2 / n
B) μ and σ / n
C) μ / n and σ2 / n2
D) μ and σ2 / n

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