Question: A sample of four clusters is to be taken from a population with N = 25 clusters and M = 300 elements. The values of

A sample of four clusters is to be taken from a population with N = 25 clusters and M = 300 elements. The values of Mi, xi, and ai for each cluster in the sample follow.

a. Develop point estimates of the population mean, total, and proportion.
b. Estimate the standard error for the estimates in part (a).
c. Develop an approximate 95% confidence interval for the population mean.
d. Develop an approximate 95% confidence interval for the population total.
e. Develop an approximate 95% confidence interval for the population proportion.

a, 1662-5 95 125 190 140-750 92945 311-7 7850-0 1234 ta

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