Suppose a Random Sample of N = 36 Measurements Is $$\sigma ^ { 2 } = 144 \text {. Find the mean and standard deviation of the sampling distribution of the sample mean } \bar { x }$$

question 47

Essay

Suppose a random sample of n = 36 measurements is selected from a population with mean μ = 256 and variance $$\sigma ^ { 2 } = 144 \text {. Find the mean and standard deviation of the sampling distribution of the sample mean } \bar { x }$$

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