3,500 1.5 2. What is the correlation coefficient between Irwin's sales and costs and between sales and GNP growth? Year GNP growth Sales Costs 1990 2.0% $105,400 $71,000 1991 1.5 101,900 72,200 1992 -2.0 100,400 72,300 1993 -1.0 102,200 72,500 1994 0.5 104,000 72,000 1995 -1.0 99,950 71,300 1996 1.0 103,300 72,300 1997 2.0 102,800 72,100 1998 104,900 72,300 1999 0.0 100,100 72,500 2000 2.0 104,600 71,200 2001 1.5 102,000 71,730 2002 3.0 103,300 70,600 - 2.5 3,500 1.5 2. What is the correlation coefficient between Irwin's sales and costs and between sales and GNP growth? Year GNP growth Sales Costs 1990 2.0% $105,400 $71,000 1991 1.5 101,900 72,200 1992 -2.0 100,400 72,300 1993 -1.0 102,200 72,500 1994 0.5 104,000 72,000 1995 -1.0 99,950 71,300 1996 1.0 103,300 72,300 1997 2.0 102,800 72,100 1998 104,900 72,300 1999 0.0 100,100 72,500 2000 2.0 104,600 71,200 2001 1.5 102,000 71,730 2002 3.0 103,300 70,600 - 2.5