... (millions) 1990 1991 19 92 1993 1994 1995 1996 1997 1998 1999 25 0 25 3 25 7 26 0 26 3 26 6 26 9 27 3 27 6 27 9 20 00 20 01 20 02 2003 20 04 20 05 20 06 20 07 20 08 20 09 28 2 28 5 28 8 29 0 29 3 29 6 29 9 3 02 304 307 4.78 Global ... + 1 .25 x Line B: y = −0 .25 + 1.50x x y yˆ e e2 x y yˆ e e2 1 2 1.75 1.75 3.00 5.50 −0.75 0 .25 −1.00 0.50 0.5 625 0.0 625 1.0000 0 .25 00 1 2 1 .25 1 .25 2. 75 5.75 −0 .25 0.75 −0.75 0 .25 0.0 625 0.5 625 ... xy x2 y2 5 6 7 85 103 70 82 89 98 66 95 169 70 48 425 4 12 420 410 445 490 396 570 338 490 336 25 16 36 25 25 25 36 36 49 49 7 ,22 5 10,609 4,900 6, 724 7, 921 9,604 4,356 9, 025 28 ,561 4,900 2, 304...