When estimating the mean of a particular population,doubling the range of acceptable error will reduce the sample size n to what?
A)n/8
B)n/16
C)n/4
D)3n/7

Question

Quizplus · Accepted Answer

Doubling the range of acceptable error (margin of error) in estimating a population mean will reduce the required sample size by a factor of 4, because the sample size is inversely proportional to the square of the margin of error.

When Estimating the Mean of a Particular Population,doubling the Range