We investigate properties of a diagnostic-envelope method for evaluating normal probability plots of regression residuals that was proposed by Atkinson (1981), implemented by BMDP (Hardwick 1987), and ...

The distances between two holes cut into 50 steel sheets are measured and saved as values of the variable DISTANCE in the following data set: * data sheets; input distance @@; label distance='Distance ...

The diameters of 50 steel rods are measured and saved as values of the variable DISTANCE in the following data set: * data measures; input diameter @@; label diameter='Diameter in mm'; datalines; ...