The Test Makers Group is constructing a new test to be standardized. They have decided to draw their sample where they proportionately take into account, in the group on which they try out the test, all of the characteristics that might be relevant to the scores that people receive. What kind of sample is Test Makers Group using?

Question

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The Test Makers Group is using a stratified random sample, which involves dividing the population into strata, or groups, that are distinct based on certain characteristics and then randomly selecting from those groups in proportion to their presence in the population. This ensures that all relevant characteristics are proportionately represented in the sample.

The Test Makers Group Is Constructing a New Test to Be