A Researcher Regresses a Quality-Of-Life INDEX on INCOME and EDUCATION

question 19

Multiple Choice

A researcher regresses a quality-of-life INDEX on INCOME and EDUCATION. The Y-intercept is 10, the slope for INCOME is +2, and the slope for EDUCATION is −1. What's the correct regression equation?

• A) INDEX = 11
• B) INDEX = 10 + 2 - 1
• C) INDEX = 2(INCOME) - 1(EDUCATION)
• D) INDEX = 10 + 2(INCOME) - 1(EDUCATION)

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