A stratified random sample is:
A) a survey universe divided into several sub-universes.
B) a survey universe that is not divided into sub-universes.
C) a survey universe that cannot be given a Smithsonian number.
D) an ineffective way to gather and record information about sites.

Question

Quizplus · Accepted Answer

A stratified random sample involves dividing a survey universe into several sub-universes or strata to ensure that the sample includes elements from each segment of the population, improving the representativeness and accuracy of the sample.

A Stratified Random Sample Is