Data was collected on youths (in grades 9-12) on if they smoke cigarettes regularly (Yes, No),...
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Data was collected on youths (in grades 9-12) on if they smoke cigarettes regularly (Yes, No), if they smoked marijuana regularly (YesM, NoM), and the number of hours of sleep they get (on average). Group means for all factors, and all treatment levels follow: Vij No Yes Yį.. 7.073 NOM 7.10 5.00 YesM 6.92 5.97 6.71 Y.j. 7.04 5.90 Y... = 6.94 (a) Write down the no-interaction two-way ANOVA model, and its assumptions/constraints. (b) Write down the interaction two-way ANOVA model, and its assumptions/constraints. (c) Is there a significant effect from smoking cigarettes on sleep? Explain your answer. (d) Is there a significant effect from smoking marijuana on sleep? Explain your answer. (e) Is there an interaction effect between smoking cigarettes and smoking marijuana on sleep? Explain your answer. Data was collected on youths (in grades 9-12) on if they smoke cigarettes regularly (Yes, No), if they smoked marijuana regularly (YesM, NoM), and the number of hours of sleep they get (on average). Group means for all factors, and all treatment levels follow: Vij No Yes Yį.. 7.073 NOM 7.10 5.00 YesM 6.92 5.97 6.71 Y.j. 7.04 5.90 Y... = 6.94 (a) Write down the no-interaction two-way ANOVA model, and its assumptions/constraints. (b) Write down the interaction two-way ANOVA model, and its assumptions/constraints. (c) Is there a significant effect from smoking cigarettes on sleep? Explain your answer. (d) Is there a significant effect from smoking marijuana on sleep? Explain your answer. (e) Is there an interaction effect between smoking cigarettes and smoking marijuana on sleep? Explain your answer.
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Answer a Twoway ANOVA additive effects normality independence homogene... View the full answer
Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781464107771
3rd Edition
Authors: Susan A. Nolan
Posted Date:
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