Officials at a waste management plant are to begin serving a new neighborhood. They want to find a model to best be able to predict that weight of trash (in pounds) that they will have to pick up for families of different sizes (households of up to 15 people). Based on other neighborhoods they found that a single person (family size 1) typically has 18 pounds of trash, while a family of 4 typically has 93 pounds of trash. a. Compute a linear model for this data and interpret the important parameters