Question: AP STATISTICS HELP PLEASE!! which is the correct answer? A placebo is: O a control group. O the true cause of a response. O an

AP STATISTICS HELP PLEASE!! which is the correct answer?

A placebo is: O a control group. O the true cause of a response. O an important part of a double-blind experiment. ()a non-treatment treatment given to a control group. O a pure random sample

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