I. Warm-up

Match the following two variables to their graphs:

Variable Graph
1. Age at death of a sample of 40 persons A B
2. The last digit in the social security number of each of 40 students. A B

II. Main Activity

Match the following five variables to their graphs:

Variable Graph
1. Scores in a fairly easy examination in statistics. A B C D E
2. Number of menstrual cycles required to achieve pregnancy for a sample of women who attempted to get pregnant. Note that these data were self-reported from memory (S. Harlap & H. Baras (1984), "Conception-waits in fertile women after stopping oral contraceptives", Int. J. Fertility,29:73-80. A B C D E
3. Heights of a group of college students. A B C D E
4. Number of medals won by countries in the 1992 Winter Olympics. A B C D E
5. SAT scores for a group of college students. A B C D E