Microsoft Excel was used to obtain the following quadratic trend equation:
Sales = 100 - 10X + 15X².
The data used was from 2001 through 2010 coded 0 to 9. The forecast for 2011 is ________.

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The Answer of Microsoft Excel was used to obtain the following quadratic trend equation:
Sales = 100 - 10X + 15X².
The data used was from 2001 through 2010 coded 0 to 9. The forecast for 2011 is ________.

Microsoft Excel Was Used to Obtain the Following Quadratic Trend