Armen was concerned about the amount of sugar in his diet, so he went to the store and
collected data from several cereal boxes. Armen used the data to create a model that related the
sugar in cereal to calories:
3=-16.9+0.23c
where s is the amount of sugar in grams and c is the number of calories in one cup of cereal.
What would a negative residual mean in this context? Is a cereal with a positive or
negative residual better for Armen's diet?
a.
Interpret the meaning of the slope and y-intercept in the context of the problem. Does the
y-intercept make sense in the context of the problem?