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QUESTION
A random samplex1,x2,...,Xn with sizen=9 is drawn from a population that follows normal distribution with mean=10 and standard deviation=6. What isX,...
A random sample x1,x2,...,Xn with size n=9 is drawn from a population that follows normal distribution with mean μ=10 and standard deviation σ=6. What is σX¯, the mean of the standard error of X¯?
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