The effects of region (A) and precent below poverty level (B) on the rime rate (v10/v5) are to be
studied. For purposes of this ANOVA study, percent below poverty level is to be classied into three
categories: under 6%, 6-10%, 10% or more.
(i) State the ANOVA model for this case. Also state the equivalent regression model.
(ii) Fit the regression model, and prepare aligned residual dot plots for the treatments. State your
(iii) State the reduced regression model for testing for the interaction eects. Fit the reduced regression
model and test whether or not interaction eects are present. For each test, use = :05. State the
alternatives and P-values.
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