The true statement about the residual plot is (a) a quadratic model is appropriate for the data.
Residual plots
Residual plots are used to show the difference between the observed value, and the predicted value, graphically.
Plotting the residual plot
When the residual plot is plotted, the following must be noted
- The residuals are represented on the vertical axis
- The independent variable are represented on the horizontal axis
In conclusion, the residual plot is a quadratic model.
This is so because, the plot follows an approximately the graph of a quadratic function
Read more about residual plots at:
https://brainly.com/question/16180255
