Test: AP Statistics

1.

Alpha Corporation developed a new pill to treat elevated glucose levels. They want to test the efficiency of the pill to lower glucose levels by gathering a sample of people with high glucose and giving them either:

1) A daily dose of their new pill ("Experimental Group")

2) A daily placebo pill that looks the same but does not do anything ("Placebo Group")

 

How can they make this a "Blind Study"?

Give all participants both pills.

Randomly sort people into the Experimental or Placebo groups, without letting them know which pill they received.

Give the pill to people with high blood glucose and low blood glucose.

Blindfold the participants while they take the pills.

Keep the participant identities hidden from the experimenters permanently.

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