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Mathematics, 25.06.2019 13:00 king3620

Mia wants to see if meditating has an impact on happiness levels. she randomly assigns 40 middle-aged men who have never meditated to one of two conditions: a group that does not meditate and a group that is taught to meditate for 10 minutes a day. after 4 weeks, she measures their level of happiness. what is the sample?

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