Steps |
Key Sequence |
Screens |
1. Enter independent data into list, L1 |
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2. Enter dependent data into list, L2 |
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3. Calculate regression model (e.g., linear regression model: steps 4 & 5) |
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4. Store residuals in L3 (Note that the TI-83 automatically calculates the residuals
with the regression models) |
Press STAT |
![](GIFs/lesq1.jpg) |
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1 |
![](GIFs/res1.jpg) |
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Move cursor right to L3 then move cursor up so that L3 is highlighted |
![](GIFs/res2.jpg) |
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Press 2nd then STAT |
![](GIFs/res3.jpg) |
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Scroll down until RESID is highlighted |
![](GIFs/res4.jpg) |
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ENTER |
![](GIFs/res5.jpg) |
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ENTER |
![](GIFs/res6.jpg) |
Steps |
Key Sequence |
Screens |
5. Set options for graphing window |
Press 2nd then FORMAT |
![](GIFs/res7.jpg) |
* Make sure that CoordOn and AxesOn are highlighted |
6. Make scatterplot with L1 and L3 |
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![](GIFs/res8.jpg) |
7. You can make a boxplot of the residuals (i.e., L3) |
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![](GIFs/res9.jpg) |
8. You can find the summary statistics of the residuals (i.e., L3) |
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![](GIFs/res10.jpg) |