Consider a Population of Five Weights Identical in Appearance but Weighing

question 117

Essay

Consider a population of five weights identical in appearance but weighing 1,3,5,7,and 9 ounces.
a.Determine the mean and the variance of the population.
b.Sampling without replacement from the above population with a sample size of 2 produces ten possible samples.Using the ten sample mean values,determine the mean of the population and the variance of $\bar{x}$ .
c.Compute the standard error of the mean.

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