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categoryإحصاء schoolبكالوريوس event_available2026-07-15

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Use the following information for the next 19 questions. Researcher wants to compare test performance for tests printed on three different colors of paper; Red, Green, and the Standard White. The researcher selects a sample of 11 individuals and has each individual take one test on Red paper, another test on Green paper, and a third test on the Standard White paer. The data are listed below. The researcher wants to minimize the probability of making a Type I error. Red Green White 90 88 86 89 87 85 88 86 84 87 85 83 86 84 82 85 83 81 84 82 80 83 81 76 82 80 78 81 79 77 80 78 79 Means 85 83 81 Grand Mean = 83 D Question 2 Quiz: Three-Sample 0.4 pts What is the correct observed test statistic value for this statistical test of the means (Round to two decimal places)? Question 3 What is the correct critical value for this staitistical test of the means? 0.4 pts Question 6 If appropriate, conduct post-hoc analysis using Tukey's HSD. What is the critical value? Note: If it is not appropriate to conduct post-hoc analysi, input 999. 0.4 pts Question 7 0.4 pts If appropriate, what is the value of Tukey's HSD for comparing Red paper to Green paper (Round to two decimal places)? Note: If it is not appropriate to conduct post-hoc analysi, input 999.

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