Maximum error of estimate


Suppose that a sample is drawn and z(?/2) = 1.96 and ? = 15. Answer the following questions:

(A) If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size?

(B) Given that the sample Size is 400 with this same z(?/2) and ?, what would be Maximum Error of Estimate?

(C) What takes place to the Maximum Error of Estimate as the sample size gets smaller?

(D) What effect does the answer to C above have to size of confidence interval?

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Basic Statistics: Maximum error of estimate
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