QUESTION 6 The education and income for a group of women is collected. average education = 13 years, SD = 4 years average income = $20,000, SD = $16,000, correlation coefficient r = 0.5. Let x = education and y = income. The slope of the regression line for predicting income from education is The y-intercept of the regression line for predicting income from education is If a woman's education is 15 years, the regression line predicts that her income is $