Año Periodo (x) C/lb $/lb (x^2) (y2) x*y Σx Σy Σx^2 Σx*y n1940 1 10,601 0.10601 1 0.01123812 0.10601 2850 69.62565 143450 3822.57876 751941 2 11,159 0.11159 4 0.01245233 0.223181942 3 11,168 0.11168 9 0.01247242 0.335041943 4 11,168 0.11168 16 0.01247242 0.44672 en 1 Σy=nA+BΣx1944 5 11,168 0.11168 25 0.01247242 0.5584 69.62565=75(A)+B(2850) x-381945 6 11,155 0.11155 36 0.0124434 0.6693 2850/75= 38 2645.7747 2850 1083001946 7 13,893 0.13893 49 0.01930154 0.972511947 8 23,477 0.23477 64 0.05511695 1.87816 en 2 Σxy=AΣx+BΣx^2 351501948 9 24,116 0.24116 81 0.05815815 2.17044 3822.57876=A(2850)+B(143450) 35150 1176.804061949 10 21,899 0.21899 100 0.04795662 2.1899 1176.80406 0.033479491950 11 22,353 0.22353 121 0.04996566 2.45883 en 1 x-38 (-2645.7747)=-2850(A)-B(108300)1951 12 27,541 0.27541 144 0.07585067 3.30492 1176.80406=B(35150) 0.033479491952 13 32,349 0.32349 169 0.10464578 4.205371953 14 32,180 0.3218 196 0.10355524 4.5052 0.03347949=B1954 15 31,265 0.31265 225 0.09775002 4.689751955 16 43,898 0.43898 256 0.19270344 7.02368 69.62565=75(A)+B(2850)1956 17 41,072 0.41072 289 0.16869092 6.98224 -0.34387860541957 18 27,455 0.27455 324 0.0753777 4.94191958 19 24,730 0.2473 361 0.06115729 4.6987 2015 2.200562611959 20 29,735 0.29735 400 0.08841702 5.947 2016 2.23404211960 21 30,751 0.30751 441 0.0945624 6.45771 2017 2.267521581961 22 28,724 0.28724 484 0.08250682 6.31928 2018 2.301001071962 23 29,263 0.29263 529 0.08563232 6.73049 2019 2.334480561963 24 29,301 0.29301 576 0.08585486 7.03224 año 2020= 2.367960051964 25 44,110 0.4411 625 0.19456921 11.02751965 26 58,734 0.58734 676 0.34496828 15.270841966 27 69,465 0.69465 729 0.48253862 18.755551967 28 51,127 0.51127 784 0.26139701 14.315561968 29 56,101 0.56101 841 0.31473222 16.269291969 30 66,563 0.66563 900 0.4430633 19.96891970 31 64,195 0.64195 961 0.4120998 19.900451971 32 49,266 0.49266 1024 0.24271388 15.765121972 33 48,556 0.48556 1089 0.23576851 16.023481973 34 80,776 0.80776 1156 0.65247622 27.463841974 35 93,272 0.93272 1225 0.8699666 32.64521975 36 55,942 0.55942 1296 0.31295074 20.139121976 37 63,611 0.63611 1369 0.40463593 23.536071977 38 59,290 0.5929 1444 0.35153041 22.53021978 39 61,886 0.61886 1521 0.3829877 24.135541979 40 89,830 0.8983 1600 0.80694289 35.9321980 41 99,174 0.99174 1681 0.98354823 40.661341981 42 78,949 0.78949 1764 0.62329446 33.158581982 43 67,057 0.67057 1849 0.44966412 28.834511983 44 72,173 0.72173 1936 0.52089419 31.756121984 45 62,449 0.62449 2025 0.38998776 28.102051985 46 64,281 0.64281 2116 0.4132047 29.569261986 47 62,287 0.62287 2209 0.38796704 29.274891987 48 81,086 0.81086 2304 0.65749394 38.921281988 49 117,937 1.17937 2401 1.3909136 57.789131989 50 129,113 1.29113 2500 1.66701668 64.55651990 51 120,879 1.20879 2601 1.46117326 61.648291991 52 106,066 1.06066 2704 1.12499964 55.154321992 53 103,573 1.03573 2809 1.07273663 54.893691993 54 86,713 0.86713 2916 0.75191444 46.825021994 55 104,903 1.04903 3025 1.10046394 57.696651995 56 133,198 1.33198 3136 1.77417072 74.590881996 57 103,894 1.03894 3249 1.07939632 59.219581997 58 103,224 1.03224 3364 1.06551942 59.869921998 59 74,974 0.74974 3481 0.56211007 44.234661999 60 71,380 0.7138 3600 0.50951044 42.8282000 61 82,294 0.82294 3721 0.67723024 50.199342001 62 71,566 0.71566 3844 0.51216924 44.370922002 63 70,647 0.70647 3969 0.49909986 44.507612003 64 80,734 0.80734 4096 0.65179788 51.669762004 65 130,106 1.30106 4225 1.69275712 84.56892005 66 167,087 1.67087 4356 2.79180656 110.277422006 67 305,295 3.05295 4489 9.3205037 204.547652007 68 323,246 3.23246 4624 10.4487977 219.807282008 69 315,316 3.15316 4761 9.94241799 217.568042009 70 234,217 2.34217 4900 5.48576031 163.95192010 71 341,978 3.41978 5041 11.6948952 242.804382011 72 399,656 3.99656 5184 15.9724918 287.752322012 73 360,593 3.60593 5329 13.0027312 263.232892013 74 332,120 3.3212 5476 11.0303694 245.76882014 75 311,255 3.11255 5625 9.6879675 233.441252015 762016 772017 782018 792019 802020 81

Año Periodo (x) C/lb $/lb (x^2) (y2) x*y Σx Σy Σx^2 Σx*y n1940 1 10,601 0.10601 1 0.01123812 0.10601 120 13.0652 1240 146.80753 15

en 1 Σy=nA+BΣx13.0652=15(A)+B(120) x(-8)

1945 2 11,155 0.11155 4 0.0124434 0.2231 120/15= 8 104.5216 120 960

en 2 Σxy=AΣx+BΣx^2 280146.80753=A(120)+B(1240) 42.28593

0.151021181950 3 22,353 0.22353 9 0.04996566 0.67059 en 1 x-38 (-104.5216)=-120(A)-B(960)

42.28593=B(280) 0.03347949

0.15102118=B

1955 4 43,898 0.43898 16 0.19270344 1.75592 13.0652=15(A)+B(120)-0.3371560952

1960 5 30,751 0.30751 25 0.0945624 1.537551965 6 58,734 0.58734 36 0.34496828 3.52404 2.079182761970 7 64,195 0.64195 49 0.4120998 4.49365 año 2020= 2.230203941975 8 55,942 0.55942 64 0.31295074 4.475361980 9 99,174 0.99174 81 0.98354823 8.925661985 10 64,281 0.64281 100 0.4132047 6.42811990 11 120,879 1.20879 121 1.46117326 13.296691995 12 133,198 1.33198 144 1.77417072 15.983762000 13 82,294 0.82294 169 0.67723024 10.698222005 14 167,087 1.67087 196 2.79180656 23.392182010 15 341,978 3.41978 225 11.6948952 51.29672015 162020 17