A dataset consists of the composition of 77 breakfast cereals. For each cereal, the following variables were measured:
Separate regression lines were obtained as follows:
(a) Calories = 110 + 10 (grams of fat)
(b) Calories = 110 – 5 (grams of fiber)
For every additional gram of fat, the number of calories .
Suppose that two cereals differ by 6 grams of fat per serving. The caloric content per serving would differ by
A. |
B. |
C. |
D. |
The predicted number of calories for a cereal with 3 grams of fat is ______ calories.