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Test: AP Statistics
| 1. | A researcher wants to randomly assign participants to a treatment and control group. Which of the following approaches ensures that the treatment assignment is random? |
Flipping a coin
Obtaining nationally representative samples for both
Assigning the treatment by gender
Assigning the treatment based on who needs it the most
Wolfgang
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University of Nebraska-Lincoln, Bachelor of Science, Electrical Engineering.
Karthik
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Northeastern University, Bachelor of Science, Mathematics. Northeastern University, Bachelor of Science, Physics.
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