Question: For many cities around the world, garbage is an increasing problem. Many North American cities have virtually run out of space to dump the garbage.

For many cities around the world, garbage is an increasing problem. Many North American cities have virtually run out of space to dump the garbage. A consultant for a large American city decided to gather data about the problem. She took a random sample of houses and determined the following:

Y = the amount of garbage per average week (pounds)

X1 = Size of the house (square feet)

X2 = Number of children

X3 = Number of adults who are usually home during the day

a. Conduct a regression analysis.

b. Is the model valid?

c. Interpret each of the coefficients.

d. Test to determine whether each of the independent variables is linearly related to the dependent variable.

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