Use your school’s library, the Internet, or some other reference source to find a real-life data set with the indicated cause-and-effect relationship. Write a paragraph describing each variable and explain why you think the variables have the indicated cause-and-effect relationship.

(a) Direct Cause-and-Effect: Changes in one variable cause changes in the other variable.

(b) Other Factors: The relationship between the variables is caused by a third variable.

(c) Coincidence: The relationship between the variables is a coincidence.