Question: A high school principal developed a theory that caffeinated sodas cause more burping than noncaffeinated sodas. She obtained a large sample of students and randomly

A high school principal developed a theory that caffeinated sodas cause more burping than noncaffeinated sodas. She obtained a large sample of students and randomly assigned them to drink sodas with or without caffeine. She then waited 15 minutes and classified each student as having burped or not having burped during that time. What test should she use?

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