Tuesday
July 28, 2015

Homework Help: Stats

Posted by Dee on Saturday, June 22, 2013 at 10:55am.

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
X= 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

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