In stratified sampling,there is a procedure that allows you to take information from each stratum to calculate an estimate of the overall population average.The procedure uses:
A)a skewed average
B)a non-skewed average
C)a disproportionate average
D)a weighted average
E)the restrictive power, r, of the sample

Question

Quizplus · Accepted Answer

Stratified sampling requires weighting the sample data from each stratum based on the proportion of the population that the stratum represents. This means that a weighted average is used to calculate an estimate of the overall population average.

In Stratified Sampling,there Is a Procedure That Allows You to Take