Use the linear regression method and determine the estimated sales equation
Consider the following annual sales data for 2001-2008:
Year Sales
2001 2
2002 4
2003 10
2004 8
2005 14
2006 18
2007 17
2008 20
Answer: Y = -.2143 + 2.6309 X. This equation is appropriate if years are treated as 1, 2, 3, etc.
Y = -5262.12 + 2.6309 X. This equation is appropriate if years are treated as 2001, 2002, 2003, etc.
Business
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