Concept explainers
For Exercises 3 through 8, the null hypothesis was rejected. Use the Scheffe test when
5. Exercise 13 in Section 12-1.
13. Expenditures per Pupil The per-pupil costs (in thousands of dollars) for cyber charter school tuition for school districts in three areas of southwestern Pennsylvania are shown. At a = 0.05, is there a difference m the means? If so, give a possible reason for the difference. (The information in this exercise will be used in Exercise 5 of Section 12-2.)
Area I | Area II | Area III |
6.2 | 7.5 | 5.8 |
9.3 | 8.2 | 6.4 |
6.8 | 8.5 | 5.6 |
6.1 | 8.2 | 7.1 |
6.7 | 7.0 | 3.0 |
6.9 | 9.3 | 3.5 |
Source: Tribune-Review.
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