A candy maker surveyed chocolate bars available in a local
A candy maker surveyed chocolate bars available in a local supermarket and found the following least squares regression model:
Calories = 28.4 + 11.37Fat(g) + 2.91Sugar(g).
a) The hand-crafted chocolate she makes has 15g of fat and 20g of sugar. How many calories does the model predict for a serving?
b) In fact, a laboratory test shows that her candy has 227 calories per serving. Find the residual corresponding to this candy. (Be sure to include the units.)
c) What does that residual say about her candy?
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