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Sales over the past 10 years are shown below. Using the method of least squares, calculate the values of a and b to complete this

Sales over the past 10 years are shown below. Using the method of least squares, calculate the values of a and b to complete this regression equation.

Year Sales
1 1,640
2 1,850
3 1,240
4 1,250
5 1,980
6 1,400
7 1,060
8 1,430
9 1,050
10 1,990

Note: Indicate a negative answer using a "-" sign. Do not round intermediate calculations and round your answer to 3 decimal places.

Sales = ___ + (16.061) x

What is your forecast for next year's sales?

Note: Do not round intermediate calculations and round your answer to 2 decimal places.

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