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Identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

A market researcher has partitioned all residents of a certain region into categories of young (age 0-30), middle-aged (age 31-60), and senior (over age 60). She is surveying 45 people from each category.

What type of sampling is used?

A. Systematic sampling
B. Stratified sampling
C. Convenience sampling
D. Random sampling
E. Cluster sampling

Sagot :

GinnyAnswer

Final answer:

Stratified sampling is used by the market researcher to survey residents by age categories.


Explanation:

Stratified sampling is used in this scenario. The market researcher has divided the residents of a region into age categories and is surveying 45 people from each category, making it a clear example of stratified sampling. This method involves dividing the population into subgroups or strata and then selecting samples from each subgroup.


Learn more about sampling techniques here:

https://brainly.com/question/50899543


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