Chapter 16: An experiment with five controllable factors in
eight
different arrangements. 

Col 1: Factor A level
Col 2: factor B level
Col 3: Factor C level
Col 4: Factor D level
Col 5: Factor E level
Cols 6-10 : Observed responses for the combinations of A-E.

-  -  -  +  +      4.5    9.0    0.5    5.0    3.5
+  -  -  -  -      9.5    8.0    3.5    7.0    4.5
-  +  -  -  +      0.5    4.0    1.5    6.0    7.0
+  +  -  +  -     11.5    9.5    6.6   17.5    9.5
-  -  +  +  -      7.0    8.5   19.5   15.5   16.0
+  -  +  -  +      2.5    5.0    1.0    7.0    4.5
-  +  +  -  -      9.0   13.5    0.5    5.5    7.0
+  +  +  +  +     10.5    4.5    4.0    1.5    2.5