A systematic sampling technique that attempts to reduce the variance of the estimates by spreading out the sampling or by avoiding very high or low estimates is:
A) observation
B) proxemics
C) randomization
D) stratification
E) none of these

Question

Quizplus · Accepted Answer

Stratification is a systematic sampling technique that reduces variance by dividing the population into distinct subgroups (strata) and sampling from each, ensuring a more representative spread of the sample.

A Systematic Sampling Technique That Attempts to Reduce the Variance