Here is data with y as the response variable.
Make a scatter plot of this data. Which point is an outlier?
Enter as an ordered pair. For example (a,b) - with parenthesis.
Find the regression equation for the data set without the outlier.
Enter as an equation of the form . Rounded to three decimal places. For WAMAP questions, do not include the hat in y-hat.
Find the regression equation for the data set with the outlier.
Enter as an equation of the form . Rounded to three decimal places. For WAMAP questions, do not include the hat in y-hat.
Is this outlier an influential point?
| x | y |
|---|---|
| 200 | -507.1 |
| 34.1 | 29.9 |
| 3.7 | 139.1 |
| 22.7 | 103.8 |
| 14.1 | 75.6 |
| -6.1 | 169.7 |
| 39.7 | 20.4 |
| 22 | 73.1 |
| 24.3 | 52.9 |
Enter as an ordered pair. For example (a,b) - with parenthesis.
Find the regression equation for the data set without the outlier.
Enter as an equation of the form . Rounded to three decimal places. For WAMAP questions, do not include the hat in y-hat.
Find the regression equation for the data set with the outlier.
Enter as an equation of the form . Rounded to three decimal places. For WAMAP questions, do not include the hat in y-hat.
Is this outlier an influential point?