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In a study of caffeine and stress

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Reference no: EM13509131

1.In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below:


Number of Cups of Coffee Stress Level
3 5
2 3
4 3
6 9
5 4
1 2
7 10
3 5

= 3.88 = 5.13
s = 2.03 s = 2.90

2.Determine the regression equation for predicting stress level from the amount of coffee per day one consumes.
3.Predict the stress level for someone who drinks 8 cups of coffee a day.

Reference no: EM13509131

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