1. In a study of the relationship between education and income, the regression e

Question

1. In a study of the relationship between education and income, the regression equation for a sample of 100 people relating the variables x = years of education y = annual income (in dollars) is .

i. In this regression analysis, the explanatory variable is (circle the best answer)

A. Years of education. B. Annual income. C. None of the above

ii. The response variable is (circle the best answer)

A. Years of education. B. Annual income. C. None of the above

iii. By how much does income tend to increase for each additional year of education?

iv. Based on the regression line, what annual income would you predict for a person with just a high school education (12 years)?

v. The error for a particular person with just a high school education (12 years) was calculated to be . What is this person’s annual income?

Explanation / Answer

i: years of education.

ii: annual income.

iii: if X(years of education) increases then there is a change in Y(annual income).

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