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mpter 5: One hundred insects of a particular species were put in a chamber and exposed to an insecticide for 15 seconds. The procedure was

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mpter 5: One hundred insects of a particular species were put in a chamber and exposed to an insecticide for 15 seconds. The procedure was applied for each of 5 insecticides. Insecticides A and C contained a higher concentration of hydrogen cyanide. Insecticide D contained a higher concentration of nicotine. And Insecticides B and E contained a higher concentration of methyl bromide. In addition to the concentrations, Insecticides A and E were made in Iowa, while Insecticides B and C were made in Kansas. The number of dead insects in the chamber were recorded below: 1. Check and Report the Conditions for ANOVA. 2. Construct the xed-effects ANOVA model. Dene all terms. 3. Use the appropriate statistical procedure to determine whether the effectiveness of the insecticide changes with respect to insecticide. Use and include the ANOVA table. 4. Construct the 3 logical orthogonal contrasts. Show that these contrasts are mutually orthogonal. 5. Test the signicance of each of the above contrasts. a. Contrast 1 (Hydrogen Cyanide Vs Methyl Bromide) b. Contrast 2 (Iowa vs Kansas) c. Contrast 3 (Insecticide D vs. A, B, C, E) 6. Which insecticide(s) is most effective at eliminating insects? Use 7. Construct and interpret a 95% condence interval for the average effectiveness of Insecticide D. 8. Construct and interpret a 90% condence interval for the difference of average effectiveness between Insecticide A and C. 9. What is the effect size of Insecticide D? 10. What is the difference in effect size between Insecticide B and E

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