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In a study, the sample is chosen by separating all cars by size, and selecting 10...

In a study, the sample is chosen by separating all cars by size, and selecting 10 of each size grouping. What is the sampling method? A. Simple random sample B. Stratified sampling C. Quota sampling D. Cluster sampling

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Answer #1

This sampling method is called as stratified sampling.

In this method, we divide the population in groups called as strata.

Then we choose some samples from each stratum.

Here we choose 10 cars from each stratum.

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