If you want to assess political allegiances amongst registered voters in Vancouver classified by social class and age, you might randomly select voters from each subgroup according to their proportion in the entire city. This sampling technique is called ________ sampling.

If you want to assess political allegiances amongst registered voters in Vancouver classified by social class and age, you might randomly select voters from each subgroup according to their proportion in the entire city. This sampling technique is called ________ sampling.



a. simple random
b. stratified random
c. cluster
d. quota

Answer: stratified random


Learn More :