the calorie contents and the fat contents (in grams) of 6- to-8 ounce servings for 10 hot chocolate products.

Calories, x 262 140 150 159 120 140 185 150 80 80

Fat Y, 6.3 2,0 3,5 3.5 2.5 3.5 6.8 3 3 2.5

a. find the equation of the regression line for the data.

b. find the correlation coefficient

c. construct the scatter plot of the data that also show the regression line.

d. find the residual of the first data