What does the presence of residuals in our regression model suggest? [ Select ] What is a possible reason why we have an error term in our model? Y = B0 + B1*X + E [ Select ] The linear regression model finds the parameter estimates that minimize SSE. [ Select ] Residual plots can be helpful in assessing whether the model assumptions are met. [ Select ] One researcher claims that the expected value of is and the expected value of is . Is this true? [ Select ] A squared residual is the difference between the predicted value and the actual value squared. [ Select ]