Chapter 12.2, Problem 12E

For Exercises 9 through 13, do a complete one-way ANOVA. If the null hypothesis is rejected, use either the Scheffe or Tukey test to see if there is a significant difference in the pairs of means. Assume all assumptions are met.

12. Per-Pupil Expenditures The expenditures (in dollars) per pupil for states in three sections of the country are listed. Using a = 0.05, can you conclude that there is a difference in means?

Eastern third	Middle third	Western third
4946	6149	52S2
5953	7451	8605
6202	6000	652S
7243	6479	6911
6113

Source: New York Times Almanac.