This is Dataplot data file MITCHEL1.DAT Temperature/Flow Rate/Tube Length Effect on SO2 Permeation Tube Mass Loss Jerry Mitchell / Stefan Leigh 2**3 FULL FACTORIAL DESIGN RESPONSE VARIABLE = SO2 Permeation Tube Mass Loss NUMBER OF OBSERVATIONS = 8 TOTAL NUMBER OF VARIABLES = 4 RESPONSE VARIABLE = SO2 Permeation Tube Mass Loss FACTOR 1 = Temperature (2 levels--25 and 35) FACTOR 2 = Flow Rate (2 levels--50 and 100) FACTOR 3 = Tube Length (2 levels--5 and 10) TO READ THIS INTO DATAPLOT-- SKIP 25 READ MITCHELL.DAT Y X1 X2 X3 Y X1 X2 X3 -------------------- 1.533 -1 -1 -1 2.939 +1 -1 -1 1.277 -1 +1 -1 3.049 +1 +1 -1 2.569 -1 -1 +1 5.048 +1 -1 +1 2.615 -1 +1 +1 5.304 +1 +1 +1