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Mathematics, 20.10.2021 09:00 wavy419

Dr. Han is conducting an experiment on how midday naps affect happiness. Dr. Han had 2 experimental groups either a 15-minute nap or a 30-minute nap at 1 pm while the control group had no nap. At 3pm, all participants completed a happiness questionnaire that gave them a happiness score. The participants happiness score is the \

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