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17. A medical study found a negative relationship between exercise [in minutes per week] and stress-related...

17. A medical study found a negative relationship between exercise [in minutes per week] and stress-related health problems [r = -.26]. Which of the following conclusions is appropriate? HINT: See #16 in textbook (part of the recommended homework).

A)Increasing the amount of exercise per week will cause stress-related health problems to decrease.

B) Of the variance in stress-related health problems, 6.76% can be explained by the amount of weekly exercise.    


Which one is correct? Explain why the other is not appropriate.

Math   Statistics-And-Probability   
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