Mikes Pizza Parlor chains operates restaurants located in a five state area. The most successful locations for Mikes Pizza Parlor are near college campuses. The managers believe that quarterly sales for these restaurants are related positively to the size of the student population. In other words, restaurants located near campuses with a large population tend to generate more sales than those located near campuses with smaller populations. Using regression analysis, what is the dependent and independent variable to use? Explain. Then, provide a separate example on your own.