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Unformatted text preview: (c) Obtain the residuals, the predicted values and check for goodness of t ( R 2 ) (d) Plot the residuals against the predicted values, and obtain the normal plots for the residuals 3. For tting a surface equation to a data set:(data set 2) (a) Fit a surface equation to a data set (b) Read the output to obtain the least squares estimate of the surface equation (c) Obtain the residuals, the predicted values and check for goodness of t( R 2 ) (d) Plot the residuals against the predicted values and the explanatory variables, and obtain the normal plots for the residuals 4. How to draw (a) stemandleaf plot (b) boxplots (c) Quantiles of a data set (d) normal plot...
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 Spring '09
 HOEKSEMA

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