In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day ...

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