nd=47 X₁90.6 X₂ = 93.1 X = -2.5 Complete parts a through e. = 24 . Determine the values of z for which the null hypothesis, Hd H₁ H₂ = 0, would be rejected in favor of the alternative hypothesis, Hd=H₁ H₂ <0. Use α = 0.10. Round to two decimal places as needed.) - Conduct the paired difference test described in part a. Draw the appropriate conclusions. entify the test statistic. 3 Cound to two decimal places as needed.) ate the conclusion to the test. the null hypothesis at the 0.10 level of significance. There is What assumptions are necessary so that the paired difference test will be valid? lect all that apply. evidence to conclude that the difference between the two population means, d. is A. The population of differences has a distribution that is approximately normal. B. Population 1 has a distribution of values that is approximately normal. C. Population 2 has a distribution of values that is approximately normal. D. The sample of differences was selected randomly from the target population of differences. E. The variance of population 1, is equal to the variance of population 2.

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