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In: Statistics and Probability

Refer to the CDI data set in Appendix C.2. a. For each geographic region, regress the...

Refer to the CDI data set in Appendix C.2.
a. For each geographic region, regress the number of serious crimes in a CDI (Y) against
population density (X" total population divided by land area), per capita personal income
(X2 ), and percent high school graduates (X3 ). Use first-order regression model (6.5) with
three predictor variables. State the estimated regression functions.
b. Are the estimated regression functions similar for the four regions? Discuss.
c. Calculate MSE and R2 for each region. Are these measures similar for the four regions?
Discuss.
d. Obtain the residuals for each fitted model and prepare a box plot of the residuals for each
fitted modeL Interpret your plots and state your findings.


I Can do it by my self but Can you explain how what is meaning (b), (c) and (d)
Just write explantions

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Expert Solution

orchestra answered 1 year ago
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