## The Sales, In Billions Of Dollars, Of Keller Overhead Door Inc.

The sales, in billions of dollars, of Keller Overhead Door Inc. for 2009 to 2014 are:YearSalesYearSales20097.3520127.4420107.6320137.9620118.9720147.60a.Determine the least squares trend equation. (Round your answers to 4 decimal places.) = ___?___+ ___?___ t, using t = 1 for 2009b.Use the trend equation to calculate the points for 2011 and 2014. (Round your answers to 3 decimal places.)For 2011, = ___?___and for 2014, = ___?___c.Estimate the net sales for 2016. (Round your answer to 3 decimal places.) =___?___ d.By how much have sales increased (or decreased) per year on the average during the period? (Input your answer as positive number. Round your answer to 4 decimal places.)Sales (Click to select)(???increaseddecreased???) billion dollars per year.

## The sales, in billions of dollars, of Keller Overhead Door Inc.

Question
The sales, in billions of dollars, of Keller Overhead Door Inc. for 2009 to 2014 are:
Year Sales Year Sales
2009 7.35 2012 7.44
2010 7.63 2013 7.96
2011 8.97 2014 7.60
a. Determine the least squares trend equation. (Round your answers to 4 decimal places.)
= ___?___+ ___?___ t, using t = 1 for 2009
b.
Use the trend equation to calculate the points for 2011 and 2014. (Round your answers to 3 decimal places.)

For 2011, = ___?___and for 2014, = ___?___
c. Estimate the net sales for 2016. (Round your answer to 3 decimal places.)
=___?___
d.
By how much have sales increased (or decreased) per year on the average during the period? (Input your answer as positive number. Round your answer to 4 decimal places.)

Sales (Click to select)(???increaseddecreased???) billion dollars per year.