Frank Fitness found a correlation coefficient of -.74 between hours of strenuous exercise each week and a standard measure of body mass. He interprets this to mean that there is a: A weak, negative correlation between hours of strenuous exercise and body mass. B strong, positive correlation between hours of strenuous exercise and body mass. C weak, positive correlation between hours of strenuous exercise and body mass. D strong, negative correlation between hours of strenuous exercise and body mass.
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