In estimating the standard deviation in the population for the formula for calculating the sample size for estimating a mean,we can use some prior knowledge about the
A)sample to estimate our standard deviation.
B)population,undertake a pilot study or estimate the range,and divide by 10.
C)population,undertake a pilot study or estimate the range,and divide by 6.
D)Either of the two;b or c would work.
E)None of the above;if you do not have the actual standard deviation,you cannot use the formula.

Question

Quizplus · Accepted Answer

The standard deviation can be estimated by using prior knowledge of the population, conducting a pilot study, or estimating the range and dividing by 6.

In Estimating the Standard Deviation in the Population for the Formula