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**Unformatted text preview: **equation into Y1 then superimpose it on your scatter plot. 3. What is the predicted score for a child who first spoke at 15 months? 4. What is the actual (observed) score for a child who first spoke at 15 months? 5. Calculate the residual for Child #1showing your work in the space below. 6. Use your calculator to determine the residuals for all 21 children. Write them in the column indicated in the data table. 7. Make a residual plot (a scatter plot of the explanatory variable against the regression residuals) on your calculator. Sketch the plot in the space below. 8. Interpret the residual plot in a clear, concise sentence. Is the LSRL equation a good model for the data? 9. Are there any outliers? If so, which child(ren)? 10. Are there any influential observations? If so, which child(ren)?...

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- Fall '12
- Brienza
- Statistics, Linear Regression, Regression Analysis, AP Statistics, Harshad number, Errors and residuals in statistics, Scatter plot, Influential Observations and Regression Outliers