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Unformatted text preview: response for each level of the factor. 5. Carry out the hypothesis test where the null hypothesis is that all subpopulation mean blood coagulation times are equal versus the alternative that at least one is dierent at the 5% signicance level. (a) What assumptions must be made. State H and H a . (b) Specify the test statistic realization and p-value. (c) What is the distribution of the test statistic when H is true. State the values for its parameters. (d) State the conclusion to this test. Based on this conclusion, what type of error could you be making? (e) Report Tukey HSD simultaneous 95% condence intervals for the pairwise dier-ences between the subpopulation means of blood coagulation times. Interpret this set of intervals and mention which pairs of subpopulation means are statistically signicantly dierent at the simultaneous 5% signicance level. 1...
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- Spring '08