Explore the Residuals of a Data Set Guidance for Casio fx-9750GIII

Describe the residual data set:

Step 1

Select STAT or click 2 from the main menu to enter the data.

Step 2

Enter the data in List 1 and List 2.

Step 3

Click GRPH F1 to see the scatter plot.  

Step 4

Verify the graph of the residuals.

Step 5

Add the rest of the points in the table.

Step 6

Click GRPH F1 to see the enlarged scatter plot.  

What patterns can you identify in the following residual plots that might indicate that the regression line is not a good model for the data? Based on the residual plot, are there any points that may be considered outliers?