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b. Tukay's multiple comparison mathed Sleep apride is a disorder characterized by pausin in breathing during shop. Children who suffer from untreated sleep apnea often
b. Tukay's multiple comparison mathed Sleep apride is a disorder characterized by pausin in breathing during shop. Children who suffer from untreated sleep apnea often have behavior problems, including hyperactivity, inattention, and aggression. A common treatment for pediatric sleep apnea is the surgical removal of enlarged Bevisits and ackanoids that and ubritrading the airmays. Support researchers at a sleep clinic and interested in the effect of surgical treatment for podiatric shop apnea on inattentive behavior. They study 11 children without ship apnea, 11 children with untreated skip apria, and 11 children who have been surgically treated for ship apria. Inallandiveness is measured using the Conners Rating Scales. The sample means and sums of squares of the scones for each of the three groups are presented in the following table. Group Sample Mean Sum of Squares Na Skipp Apnea 0.3240 Untreated Skip Apnea 0.45 0.4410 Treated Skop Aprica 0.31 0.2150 The nebeardwork perform an analysis of variance (ANOVA] at a = 0.05 to test the hypothesis that the treatment means are equal. The results are Prisonled in the following ANOVA table. ANOVA Table Source of Variation Sum of Squinin Dugress of Froidam Mean Square 0.4 0.22 7.33 Error 0.90 30 0.03 1.42 32 The mull hypothesis of equal treatment means is rejected, so at least two treatment means differ. The researchers use Tukay's multiple comparison method at a = 0.06 be deliamine which of the treatmant means differ. Critical Values of the Studentized Range The lop values are for a = .05; the bottom (bold) values are for a = .01. As in your text, b denotes the columns and v denotes the roms of Live Labk. Use Tuking's mulliple comparison method at a = 0.05. Use the table to the left to find the critical value of the Studentiand range qe (kv]. The critical number u = The mebeardwir cannot T conclude that the population maare for children without shop apnea and children with untreated slip apria differ. They cannot + conclude that the population madre for children without shop apnea and children with treated sleep apnea differ. on 7 conclude that the population mine for children with untreated skip apridd and children with trailed shop apria differ
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