Dr. Morris writes out the following regression equation for his research: income = a + b (full-time employment) + c (female) If his regression software produces the resulting equation for the best-fitting line is: income = 21,233 + (12,283 full-time employment) + (-7,139 female) What statement best describes these results? Group of answer choices The relationship between income and full-time employment is curvilinear. Part-time employed women make $5,144 on average. Women make less money than men, even after accounting for differentials in full-time employment. Part-time employed men make $33,516 on average