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To compare the effectiveness of three different methods of teaching

To compare the effectiveness of three different methods of teaching reading, 26 children of equal reading aptitude were divided into three groups. Each group was instructed for a given period of time using one of the three methods. After completing the instruction period, all students were tested. The test results are shown in the following table.

Is the evidence sufficient to reject the hypothesis that all three instruction methods are equally effective? Use a = 0.05 .

a. Solve using the p-value approach.

b. Solve using the classical approach.

Is the evidence sufficient to reject the hypothesis that all three instruction methods are equally effective? Use a = 0.05 .

a. Solve using the p-value approach.

b. Solve using the classical approach.

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