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A psychologist wants to investigate whether lack of sleep can affect memory performance. He
conducted a study at a Canadian university, and 300 undergraduate students participated in his
study. What of the following is the study's population data? A. the 300 participants in the study.
B. all psychology students C. all human beings. D. all people in Canada.

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  • 1. A psychologist wants to investigate whether lack of sleep can affect memory performance. He conducted a study at a Canadian university, and 300 undergraduate students participated in his study. What of the following is the study's population data? A. the 300 participants in the study. B. all psychology students C. all human beings. D. all people in Canada.