Suppose you are trying to explain political tolerance among people with two independent variables: years of school and age. The beta coefficient for years of school is -.75 and the beta coefficient for age is .40. Which independent variable is more useful in explaining political tolerance?
A. Age
B. Years of school
C. They are equally useful.
D. It cannot be determined on the basis of this information.
Question 2
For the voter precincts of a particular state, suppose the beta coefficient for the relationship between voter turnout (dependent variable) and per capita income (independent variable) is .50. Which of the following would be the most appropriate interpretation of this result?
A. An increase of one standard deviation in per capita income leads to an increase of .50 standard deviations in voter turnout.
B. Each increase of one dollar in income results in an increase of .50 units of voter turnout.
C. Each unit increase in voter turnout results in .50 per capita income.
D. An increase of one standard deviation in voter turnout leads to an increase of .50 standard deviations in per capita income.
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