64. Ontario interprovincial migration 2015 Below are data showing the net interprovincial migration each year for Ontario (number arriving minus number leaving). The data are not for calendar years, but for a one-year period ending in the displayed year.

Year Ontario Net Migration 1979 –4 325 1980 –22 362 1981 –33 247 1982 –5 665 1983 23 585 1984 36 400 1985 33 885 1986 33 562 1987 42 601 1988 35 215 1989 9 739 1990 –5 961 1991 –11 627 1992 –11 045 1993 –14 189 1994 –9 420 1995 –2 841 1996 –2 822 1997 1 977 1998 9 231 1999 16 706 2000 22 369 2001 18 623 2002 5 354 2003 637 2004 –6 935 2005 –11 172 2006 –17 501 2007 –20 047 2008 –14 750 2009 –15 601 2010 –4 662 2011 –4 007 2012 −10 611 2013 –13 901 2014 –14 564 2015 –8 763

a) Fit a least squares line to predict Ontario interprovincial migration from year.

b) Use your equation to predict Ontario’s interprovincial migration in 2016.

c) Do you think your prediction is reasonable? Do you think your regression line is an appropriate model?