Students in a science class are constructing a model for a data set. The residual plot for their quadratic regression model is given. Which of the following is the best conclusion? A The quadratic model is appropriate because the residuals show a pattern. B The quadratic model is appropriate because the residuals show no pattern. C. The quadratic model is not appropriate because the residuals show a pattern. D The quadratic model is not appropriate because the residuals show no pattern.
