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Mathematics 18 Online
OpenStudy (anonymous):

Twelve college seniors were chosen at random and surveyed. The survey asked the participants for the number of hours they spent studying per week and their overall GPA. Letting X represent the number of hours a student spent studying and Y represent a student's overall GPA, the surveyor calculated the correlation coefficient between X and Y to be 0.87. Interpret the correlation coefficient calculated by choosing the statement below which correctly describes the correlation between X and Y. weak negative correlation weak positive correlation strong positive correlation no correlation

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