TEMP/CONC/CATALYST EFFECT ON PILOT PLANT CHEMICAL YIELD BOX, HUNTER & HUNTER (1978) STATISTIC FOR EXPERIMENTERS WILEY, PAGE 308 2**3 FULL FACTORIAL DESIGN NUMBER OF OBSERVATIONS = 8 TOTAL NUMBER OF VARIABLES PER LINE IMAGE = 4 RESPONSE VARIABLE = PILOT PLANT CHEMICAL YIELD (IN GRAMS) FACTOR 1 = TEMPERATURE (2 LEVELS--160 & 180 DEG C) FACTOR 2 = CONCENTRATION (2 LEVELS--20 & 40%) FACTOR 3 = CATALYST (2 LEVELS--A & B) TO READ THIS FILE INTO DATAPLOT-- SKIP 25 READ BOXPILOT.DAT Y X1 X2 X3 Y X1 X2 X3 --------------- 60 -1 -1 -1 72 +1 -1 -1 54 -1 +1 -1 68 +1 +1 -1 52 -1 -1 +1 83 +1 -1 +1 45 -1 +1 +1 80 +1 +1 +1