For the data given in Problem 4 in Chapter 8 (plus the accompanying computer output), find (using α = .10) the best regression model relating homicide rate (Y) to population size (X1), percentage of families with income less than $5,000 (X2), and unemployment fate (X3).
a. Use the stepwise approach.
b. Use the backward approach.
c. Use the all possible regressions approach.
Regression Models for Dependent Variable: Y
SSY 1855.20200, N = 20