PS Use the Intl-Pop database to analyze the correlates of political and civil rights (Rights). Take affluence and income inequality as the independent variables and look at their combined effects on Rights.

NOTE: “Rights” is scored so that lower scores mean greater freedom.

● Click Analyze S Regression S Linear.

● Move Rights to the “Dependent” window and GNIcap and IncomeIneq to the “Independent”

window.

● Click Statistics and check “Descriptives.” Click Continue to return to the “Linear Regression”

screen.

● Click OK.

a. State the unstandardized multiple regression equation.

Y 5 ___ 1 ___ X1 1 ___ X2

b. State the standardized multiple regression equation. What is the direction of each relationship?

Which independent variable had the stronger effect on Rights?

Zy 5 ____ Z1 1 ___ Z2

c. Report the value of R2

. What percentage of the variance in Rights is explained by the two independent variables combined? How does this compare to the amount of the variance explained by each independent variable alone?
Bivariate: r r 2 Rights and GNIcap IncomeIneq Multiple: R 2 5