The Purpose of the Weighted Mean in Stratified Sampling Is

Multiple Choice

The purpose of the weighted mean in stratified sampling is:

A) to provide an overall sample mean that represents all the strata.
B) to provide more weight to those strata whose means are the lowest.
C) to provide more weight to those strata whose means are the highest.
D) to provide an overall sample mean that represents the majority of the strata.
E) to provide more weight to those strata whose means are equal.