Chapter 15: A 23 factorial experiment where the line widths at
the center and the corners of a rectangle were measured.

Col 1: Factor T (in %'s).
Col 2: Factor D (in %'s).
Col 3: Factor F (in %'s).
Col 4: Line width at center (in 0.001 inches)
Col 5: Line width at corners (in 0.001 inches)                    
       
             3    8   0         6.62     4.11 
             7    8   0         7.00     4.74
             3   16   0         9.68     7.17
             7   16   0         9.38     7.35
             3    8   3         7.24     5.06 
             7    8   3         7.56     5.58
             3   16   3        10.02     7.65 
             7   16   3         9.84     7.92