Question

What is meant by a stratified sample?

Answer 1

Answer:

Sampling that is used to represent different groups depending on their different qualities.

Hope that helps. x

Answer 2

Answer:

A stratified random sampling involves dividing the entire population into homogeneous groups called strata (plural for stratum). Random samples are then selected from each stratum. ... A random sample from each stratum is taken in a number proportional to the stratum's size when compared to the population.