Question: Consider the followi 4 (20.0 points)
Consider the following annual sales data for 1996-2003, use the linear regression method and determine the estimated sales equation,

NOTE: This question was taken from a test bank and the test publisher did not use the actual year as the x-value. You should replace 1996 with 1, 1997 with 2, 1998 with 3, and so on. These x-values will lead you to the correct answer. This technique is also commonly used in real world examples.

1. y = 2.63 + 0.21x
   b) y = 2.63 - 0.21x
   c) y = -0.21 + 2.63x
   d) y = 0.21 - 2.63x
   

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