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[DOC File]Chapter 10: Building the regression model I|I: Remedial ...
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Read on your own. 11.3 Remedial measures for influential cases – robust regression Least squares estimates can be influenced by influential observations, which may lead to a distortion of the relationship between the predictor variables and the response variable.
how to read residual plots

[DOC File]Plots of Residuals
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Bring into SPSS the Residual-HETERO.dat data. Each case has two scores, X and Y. The delimiter is a blank space. Conduct a regression analysis predicting Y from X. Create residuals plots and save the standardized residuals as we have been doing with each analysis. As you can see, the residuals plot shows clear evidence of heteroscedasticity.
linear regression residuals plots

[DOC File]AP Statistics Chapter 8 Linear Regression
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21. What should a residual plot look like? Caution: Once you do a linear regression, there is a set of residuals that are stored automatically in the list resid on your calculator. It gets replaced if you run a linear regression on another set of data. You cannot save the residual list.
how to find regression and residuals

[DOC File]SAS Regression Examples - University of Michigan
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SAS Simple Linear Regression Example. This handout gives examples of how to use SAS to generate a simple linear regression plot, check the correlation between two variables, fit a simple linear regression model, check the residuals from the model, and also shows some of …
logistic regression residual plot

[DOC File]Worksheet on Correlation and Regression
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Use Stat > Regression > Regression to find the regression equation AND make a residual plot of the residuals versus the explanatory variable. To make the residual plot, use “Graphs” and then type in the name of the explanatory variable. At home: Read Chapter 5 and work the problems at the end of each short section as you go through them.
what is a residual plot

AP Stats Chapter 3: Regression and Residuals
Residuals and the least-squares regression line. Calculating the equation of the least-squares regression line. Technology: Residual Plots and s on the Calculator. Interpret the slope and y-intercept of a least-squares regression line in context. Explain the concept of least squares. Use technology to find a least-squares regression line.
interpret residual plot

[DOC File]How to interprete the minitab output of a regression analysis:
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The regression equation is Weight = 123 - 5.57 Day Interpretation: the line intersects y axis at 123 with a slope of -5.57. that is on the day=0, weight is 123gm and for each increase in a day, the weight of the soap decreases on the average by 5.57 grams.
creating a residual plot

How to read a regression residual plot