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Unformatted text preview: Graph and explain the relationships you would expect to find between (a) the number of inches of rainfall per month and the sale of umbrellas, (b) the amount of tuition and the level of enrollment at a university, and (c) the popularity of an entertainer and the price of her concert tickets. An inverse relationship is a mathematical relationship or a relationship between numbers. It graphs on a downward slope. A direct relationship is between two variables. On a graph a direct relationship has straight lines. In each case cite and explain how variables other than those specifically mentioned might upset the expected relationship. Is your graph in part b, above, consistent with the fact that, historically, enrollments and tuition have both increased? If not, explain any difference....
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