Chapter Fourteen

For α = .025 and df = k – 1 = 3 – 1 = 2, the rejection region is χ2 > 7.378. Here, n1 = 10, n2 = 9, and n3 = 11 . Do not reject H0. Do not reject the null hypothesis that the median textbook cost is the same for second–semester juniors in all three majors. 14.107 a. ................
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