How can a researcher estimate the population standard deviation before selecting the sample?
A) use results from a prior survey
B) conduct a pilot survey
C) use secondary data
D) use judgment
E) all are ways to estimate standard deviation

Question

Quizplus · Accepted Answer

All the options listed (using results from a prior survey, conducting a pilot survey, using secondary data, and using judgment) are valid methods for estimating the population standard deviation before selecting a sample.

How Can a Researcher Estimate the Population Standard Deviation Before