The SAS System 1 21:49 Tuesday, February 4, 1997 General Linear Models Procedure Number of observations in data set = 10 The SAS System 2 21:49 Tuesday, February 4, 1997 General Linear Models Procedure Dependent Variable: COST Sum of Mean Source DF Squares Square F Value Pr > F Model 1 3328.3209709 3328.3209709 43.77 0.0002 Error 8 608.3957891 76.0494736 Corrected Total 9 3936.7167600 R-Square C.V. Root MSE COST Mean 0.845456 12.26496 8.7206349 71.102000 Source DF Type I SS Mean Square F Value Pr > F CODE 1 3328.3209709 3328.3209709 43.77 0.0002 Source DF Type III SS Mean Square F Value Pr > F CODE 1 3328.3209709 3328.3209709 43.77 0.0002 T for H0: Pr > |T| Std Error of Parameter Estimate Parameter=0 Estimate INTERCEPT 71.10200000 25.78 0.0001 2.75770690 CODE 6.35163636 6.62 0.0002 0.96011031 The SAS System 3 21:49 Tuesday, February 4, 1997 OBS YEAR COST CODE LEVERAGE FITTED RESID ISR PRESS ESR 1 1971 45.13 -4.5 0.34545 42.5196 2.6104 0.36998 3.9881 0.34909 2 1972 51.71 -3.5 0.24848 48.8713 2.8387 0.37550 3.7773 0.35438 3 1973 60.17 -2.5 0.17576 55.2229 4.9471 0.62485 6.0020 0.59930 4 1974 64.83 -1.5 0.12727 61.5745 3.2555 0.39960 3.7302 0.37758 5 1975 65.24 -0.5 0.10303 67.9262 -2.6862 -0.32524 -2.9947 -0.30626 6 1976 65.17 0.5 0.10303 74.2778 -9.1078 -1.10275 -10.1540 -1.12017 7 1977 67.65 1.5 0.12727 80.6295 -12.9795 -1.59320 -14.8723 -1.80365 8 1978 79.80 2.5 0.17576 86.9811 -7.1811 -0.90702 -8.7124 -0.89574 9 1979 96.13 3.5 0.24848 93.3327 2.7973 0.37001 3.7222 0.34912 10 1980 115.19 4.5 0.34545 99.6844 15.5056 2.19772 23.6892 3.26579 The SAS System 4 21:49 Tuesday, February 4, 1997 General Linear Models Procedure Number of observations in data set = 10 The SAS System 5 21:49 Tuesday, February 4, 1997 General Linear Models Procedure Dependent Variable: COST Sum of Mean Source DF Squares Square F Value Pr > F Model 3 3905.9056565 1301.9685522 253.54 0.0001 Error 6 30.8111035 5.1351839 Corrected Total 9 3936.7167600 R-Square C.V. Root MSE COST Mean 0.992173 3.187104 2.2660944 71.102000 Source DF Type I SS Mean Square F Value Pr > F CODE 1 3328.3209709 3328.3209709 648.14 0.0001 CODE*CODE 1 298.6522917 298.6522917 58.16 0.0003 CODE*CODE*CODE 1 278.9323940 278.9323940 54.32 0.0003 Source DF Type III SS Mean Square F Value Pr > F CODE 1 46.55843008 46.55843008 9.07 0.0237 CODE*CODE 1 298.65229167 298.65229167 58.16 0.0003 CODE*CODE*CODE 1 278.93239395 278.93239395 54.32 0.0003 T for H0: Pr > |T| Std Error of Parameter Estimate Parameter=0 Estimate INTERCEPT 64.89731250 59.86 0.0001 1.08419357 CODE 1.94920892 3.01 0.0237 0.64734713 CODE*CODE 0.75208333 7.63 0.0003 0.09861910 CODE*CODE*CODE 0.30050699 7.37 0.0003 0.04077398 The SAS System 6 21:49 Tuesday, February 4, 1997 OBS YEAR COST CODE LEVERAGE FITTED RESID ISR PRESS ESR 1 1971 45.13 -4.5 0.82378 43.972 1.15814 1.21745 6.57198 1.28077 2 1972 51.71 -3.5 0.30163 54.404 -2.69386 -1.42251 -3.85737 -1.59512 3 1973 60.17 -2.5 0.32611 60.029 0.14061 0.07559 0.20865 0.06903 4 1974 64.83 -1.5 0.30746 62.651 2.17852 1.15521 3.14570 1.19591 5 1975 65.24 -0.5 0.24103 64.073 1.16683 0.59104 1.53738 0.55597 6 1976 65.17 0.5 0.24103 66.098 -0.92750 -0.46981 -1.22205 -0.43699 7 1977 67.65 1.5 0.30746 70.528 -2.87752 -1.52587 -4.15503 -1.78061 8 1978 79.80 2.5 0.32611 79.166 0.63372 0.34066 0.94039 0.31403 9 1979 96.13 3.5 0.30163 93.817 2.31320 1.22150 3.31229 1.28644 10 1980 115.19 4.5 0.82378 116.282 -1.09214 -1.14807 -6.19746 -1.18642 The SAS System 7 21:49 Tuesday, February 4, 1997 General Linear Models Procedure Number of observations in data set = 10 The SAS System 8 21:49 Tuesday, February 4, 1997 General Linear Models Procedure Dependent Variable: COST Sum of Mean Source DF Squares Square F Value Pr > F Model 5 3935.2507732 787.0501546 2147.50 0.0001 Error 4 1.4659868 0.3664967 Corrected Total 9 3936.7167600 R-Square C.V. Root MSE COST Mean 0.999628 0.851438 0.6053897 71.102000 Source DF Type I SS Mean Square F Value Pr > F CODE 1 3328.3209709 3328.3209709 9081.45 0.0001 CODE*CODE 1 298.6522917 298.6522917 814.88 0.0001 CODE*CODE*CODE 1 278.9323940 278.9323940 761.08 0.0001 CODE*CODE*CODE*CODE 1 0.0006756 0.0006756 0.00 0.9678 COD*COD*COD*COD*CODE 1 29.3444412 29.3444412 80.07 0.0009 Source DF Type III SS Mean Square F Value Pr > F CODE 1 0.88117350 0.88117350 2.40 0.1959 CODE*CODE 1 20.86853994 20.86853994 56.94 0.0017 CODE*CODE*CODE 1 72.35876312 72.35876312 197.43 0.0001 CODE*CODE*CODE*CODE 1 0.00067556 0.00067556 0.00 0.9678 COD*COD*COD*COD*CODE 1 29.34444115 29.34444115 80.07 0.0009 T for H0: Pr > |T| Std Error of Parameter Estimate Parameter=0 Estimate INTERCEPT 64.88753906 176.14 0.0001 0.36839358 CODE -0.50238411 -1.55 0.1959 0.32399642 CODE*CODE 0.75623470 7.55 0.0017 0.10021797 CODE*CODE*CODE 0.80157430 14.05 0.0001 0.05704706 CODE*CODE*CODE*CODE -0.00020251 -0.04 0.9678 0.00471673 COD*COD*COD*COD*CODE -0.01939615 -8.95 0.0009 0.00216764 The SAS System 9 21:49 Tuesday, February 4, 1997 OBS YEAR COST CODE LEVERAGE FITTED RESID ISR PRESS ESR 1 1971 45.13 -4.5 0.98322 45.127 0.00312 0.03977 0.18583 0.03445 2 1972 51.71 -3.5 0.72214 51.699 0.01090 0.03417 0.03924 0.02960 3 1973 60.17 -2.5 0.42844 60.232 -0.06161 -0.13462 -0.10780 -0.11685 4 1974 64.83 -1.5 0.46573 64.784 0.04641 0.10487 0.08686 0.09095 5 1975 65.24 -0.5 0.40047 65.228 0.01181 0.02520 0.01970 0.02183 6 1976 65.17 0.5 0.40047 64.925 0.24502 0.52270 0.40868 0.46897 7 1977 67.65 1.5 0.46573 68.392 -0.74249 -1.67794 -1.38974 -2.67034 8 1978 79.80 2.5 0.42844 78.981 0.81942 1.79036 1.43365 3.47878 9 1979 96.13 3.5 0.72214 96.543 -0.41296 -1.29407 -1.48622 -1.46985 10 1980 115.19 4.5 0.98322 115.110 0.08038 1.02486 4.78917 1.03356