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lions [1.4K]
3 years ago
13

In order to study the mean pulse rate of people in his town, Jerry samples the population by dividing the residents by regions a

nd randomly selecting 12 of the regions. He collects data from all residents in the selected regions. Which type of sampling is used?
English
2 answers:
irga5000 [103]3 years ago
8 0

Answer:

Stratified sampling

Explanation:

When carrying out a stratified sampling, the researchers split the population into different groups. The resulting sample is a consequence of some members from each group who are chosen randomly. This method ensures representation for every individual in each group in the sample, and it avoids a biased result.

tiny-mole [99]3 years ago
4 0

Answer:

Cluster sampling

Explanation:

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