CAT/TEMP/PRES/CONC EFFECT ON CHEMICAL PROCESS CONVERSION YIELD BOX, HUNTER & HUNTER (1978) STATISTIC FOR EXPERIMENTERS WILEY, PAGE 325 2**4 FULL FACTORIAL DESIGN NUMBER OF OBSERVATIONS = 16 TOTAL NUMBER OF VARIABLES PER LINE IMAGE = 6 RESPONSE VARIABLE = % CONVERSION FACTOR 1 = CATALYST CHARGE (2 LEVELS--10 & 15 POUNDS) FACTOR 2 = TEMPERATURE (2 LEVELS--220 & 240 DEG C) FACTOR 3 = PRESSURE (2 LEVELS--50 & 80 PSI) FACTOR 4 = CONCENTRATION (2 LEVELS--10 & 12 %) ORDER NUMBER = ORDER IN WHICH DATA WAS COLLECTED TO READ THIS FILE INTO DATAPLOT-- SKIP 25 READ BOXCHEM.DAT Y X1 X2 X3 X4 ORDER RUN Y X1 X2 X3 X4 ORDER --------------------------------- 71 -1 -1 -1 -1 8 61 +1 -1 -1 -1 2 90 -1 +1 -1 -1 10 82 +1 +1 -1 -1 4 68 -1 -1 +1 -1 15 61 +1 -1 +1 -1 9 87 -1 +1 +1 -1 1 80 +1 +1 +1 -1 13 61 -1 -1 -1 +1 16 50 +1 -1 -1 +1 5 89 -1 +1 -1 +1 11 83 +1 +1 -1 +1 14 59 -1 -1 +1 +1 3 51 +1 -1 +1 +1 12 85 -1 +1 +1 +1 6 78 +1 +1 +1 +1 7