A paired-difference experiment was conductedto compare the means of two

Chapter 10, Problem 38

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A paired-difference experiment was conductedto compare the means of two populations:PairsPopulation 1 2 3 4 51 1.3 1.6 1.1 1.4 1.72 1.2 1.5 1.1 1.2 1.8a. Do the data provide sufficient evidence to indicatethat m1 differs from m2? Test using a .05.b. Find the approximate p-value for the test and interpretits value.c. Find a 95% confidence interval for (m1 m2).Compare your interpretation of the confidence intervalwith your test results in part a. d. What assumptions must you make for your inferencesto be valid?

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