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Mathematics, 13.08.2021 17:50 mshurney

Daria wants to conduct a study on how animal behavior is affected when they are dressed in tiny hats. She takes 40 white mice and divides them into two groups of 20 through random assignment. Each mouse in the first group of 20 wears no hat, while in the second group, each wears a small hat. What could one call the first group of mice

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