Refer to Exercise 17 10 a Display a complete analysis of
Refer to Exercise 17.10.
a. Display a complete analysis of variance table including F tests and p-values.
b. Is there a significant interaction between locations and chemicals? If the interaction is significant, what can we conclude about the effect of the chemicals?
c. Are the main effects of chemicals and locations significant?
d. Based on your tests in parts (b) and (c), what can you say about the effect of chemicals on the number of fire ants killed?
e. What proportion of the variation in the number of fire ants killed can be attributed to chemicals, locations, interaction, and all other sources?
f. Are the conditions necessary to conduct the analysis in parts (b) and (c) satisfied? Justify your answer using the residuals.
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