A population has a mean μ = 139 and a standard deviation σ = 23. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 40. The mean is μx = , and the standard deviation is σx = . (Round to three decimal places as needed.)
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We are given the population mean (μ) and population standard deviation (σ): μ = 139 σ = 23 Show more…
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