Q. A major study examined the relationship between cause of death (heart attack, cancer, stroke, accident, etc.) and age. A good way to graphically represent the relationship is with

A. side-by-side boxplots. B. back-to-back stemplots. C. a scatterplot.

Q. A researcher examines data from all cities with populations over 100,000 in the United States. He notices that those cities that have a major league baseball team tend to have a greater number of divorces than other cities. One can reasonably conclude that

A. the presence of a major league baseball team contributes to divorce. Men spend time at the ballpark at the expense of their marriage.

B. this correlation cannot be explained and is probably accidental. Cities with major league baseball teams should have no more divorces than other cities.

C. none of the above.