A Sample of 4 Clusters Is to Be Taken from a Population

Essay

A sample of 4 clusters is to be taken from a population with N = 50 clusters and M = 800 elements in the population. The values of M_i and X_i for each cluster are shown below.
a.Determine the point estimate of the population mean.
b.Determine the standard error of the mean.
c.Develop a 95% confidence interval for the population mean.
d.Determine the point estimator of the population total.
e.Approximate a 95% confidence interval estimate of the population total.