Posted by
**Dee** on
.

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