We want to predict y=salaries for people with the same job title based on x1-months at that job and x2=gender (coded as males=0, females=1) using the model: y=a+BX +82X2 + B3X1 X2 + Identify the following coefficients: alpha [Select] beta1 change in intercept slope for females intercept for females intercept for males change in slope beta2 slope for males beta3= [Select] The baseline group is: [Select] The error term means that: [Select] This model: [Select] >