For many cities around the world, garbage is an increasing problem. Many North American cities have virtually

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. 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.