The commissioner randomly selects 2 teams from all 30 mlb teams and has everyone on that team drug tested. systematic stratified cluster none of these. does this qualify as a random sample?
a. yes
b. no
c. not enough information

This is example of cluster sampling.

Step-by-step explanation:

The commissioner randomly selects 2 teams from all 30 MLB teams and has everyone on that team drug tested.

This is an example of Cluster sampling.

Cluster sampling is a sampling method, where population is divided into clusters and then each sample from a selected cluster is sampled.

Yes this is also a random sample.

step-by-step explanation:

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