. In a study of memory recall, 5 people were given 10 minutes to memorize a list of 20words. Each was asked to list as many of the words as he or she could remember both 1 hour and 24 hours later. Does the data below suggest that the mean number of words recalled after 1 hour exceeds the mean recall after 24 hours? Assume we want to use a 0.05 significance level to test the claim.

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