Access the data, labeled Urban_Rural, from the text website to estimate a regression model using consumption as the response variable. The explanatory variables include income and a dummy variable that equals 1 for urban, 0 otherwise.,a. Construct and interpret the 99% confidence interval for the average consumption of an urban family with an income of $80,000.,b. Construct and interpret the 99% confidence interval for the average consumption of a rural family with an income of $80,000.,c. Comment on the width of the above confidence intervals.

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