Test: AP Statistics

1.

A study testing the effect of caffeine on mental performance invited  participants for an experiment. The participants were selected randomly.  people were selected from men who did not drink coffee.  were selected from women who did not drink cofee.  were selected from men who regularly drank coffee, and  from women who regularly drank coffee. What type of sampling method is this?

Stratified Random Sampling

Group Sampling

Simple Random Sampling

Systematic Sampling

Convenience Sampling

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