Source Sum of squares d.f.a Mean squares F-valueb p-valuec prob>F t 4.13×1015 1 4.13×1015 3.31 0.0961 T 5.21×1016 1 5.21×1016 41.77 < 0.0001 S 3.58×1016 1 3.58×1016 28.70 0.0002 V 2.98×1015 1 2.98×1015 3.61 0.1505 tT 2.35×1015 1 2.35×1015 60.35 0.0815 tS 3.15×1015 1 3.15×1015 80.91 0.0705 tV 2.31×1015 1 2.31×1015 59.24 0.0823 TS 4.61×1013 1 4.61×1013 1.18 0.473 TV 1.85×1012 1 1.85×1012 0.05 0.8634 SV 1.09×1015 1 1.09×1015 28.09 0.1187 tTS 2.94×1015 1 2.94×1015 75.41 0.073 tTV 2.17×1014 1 2.17×1014 5.58 0.2549 tSV 1.36×1015 1 1.36×1015 34.85 0.1068 TSV 2.31×1014 1 2.31×1014 5.93 0.2481 Residual 1.37×1016 11 1.25×1015     aDegrees of freedom. bTest for comparing model variance with residual(error) variance. cProbability of seeing the observed F-value if the null hypothesis is true.

Table 2: The results of analysis of variance for the 24 factorial design.

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