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The data below compares hours of sleep to grades in school. Ave hours of sleep= 8 SD= 0.8 Ave grades= 2.7 SD= 0.4 r=0.48 A person who sleeps 7 hours will probably have a G.P.A. of _________ ? 0.24 4.0 2.46 2.94 3.42

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Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998