Quarterly Commission Prediction Model 3 y= 0.04x, +6.41x2 + 14.34x3 - 1527.47 Variable p-value = base salary 0.015 X2 = hours on phone this quarter 0.012 = X3 months experience in workforce 0.015 Adj. R2 = 98.32% You decide to remove # emails sent and re-run the model. It's looking good, but before you can declare this a healthy model, you need to make sure meaning the least-square method was applied the proper dummy coding was applied your residual plots are heteroscedastic your residual plots are homoscedastic