If you want to assess presidential candidate preferences of maricopa county registered voters classified by social class and age, you might randomly select voters from each subgroup according to their proportion in the entire county. this sampling technique is called sampling. (hint: answer with the specific sampling technique)

stratified random

Explanation:

Sampling is a technique used in inferential statistics to used to collect a sample which is an accurate representation of the population from which the sample is chosen.

In stratified sampling the population is put in groups according to a criteria. Then from these groups a member is chosen at random where each group has equal representation in the group.

Here, the group are classified by social class and age and people are selected randomly from these groups. Hence this technique is called stratified random sampling.

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