Answer: Stratified random sampling
Explanation:
In stratified random sampling the population of choice is partitioned into subgroups. Then the samples for study are selected randomly from the subgroups.
The given situation is the example of stratified random sampling this is because of the fact that the population is divided into subgroups on the basis of the social class and age. Then the voters were randomly selected from each subgroup.
Answer:
they were an inexpensive means of escaping the reality of economic hardship
Answer:
Jon know what the question room
Explanation:
Answer:
Explanation: dear student which lesson Is this