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Dr. Adiga conducts an experiment to test the effects of sleep on cognitive ability. To conduct the experiment, Dr. Adiga recruits participants and randomly assigns

Dr. Adiga conducts an experiment to test the effects of sleep on cognitive ability. To conduct the experiment, Dr. Adiga recruits participants and randomly assigns them to three groups: a three hours of sleep group, five hours of sleep group, and eight hours of sleep group. What statistical test could Dr. Adiga use?

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