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Mathematics, 29.10.2019 23:31 ComicSans10

Aresearcher wants to determine if daily walks together strengthen a marriage. one group of wives and one group of husbands are selected and take walks each day. after 2 weeks, all are asked if they felt their marriage was stronger based on the walks and the results of the two groups are compared. to be a valid matched pair test, what should the researcher consider in creating the two groups?

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