CHAPTER 3: SAMPLE PROBLEMS FOR HOMEWORK, CLASS OR …

(1) In truth, mean reading scores have not changed. Sample data yields a p value of 0.03. (2) In truth, mean reading scores have not changed. Sample data yields a p value of 0.30. (3) In truth, mean reading scores have changed. Sample data yields a p value of 0.03. (4) In truth, mean reading scores have changed. Sample data yields a p value of ... ................
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