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X Yearly Amount of Solar Power Installed Year Amount (megawatts) 2000 14 2001 28 2002 46 2003 72 2004 79 2005 104 2006 138 2007
X Yearly Amount of Solar Power Installed Year Amount (megawatts) 2000 14 2001 28 2002 46 2003 72 2004 79 2005 104 2006 138 2007 207 2008 248The accompanying data represent the yearly amount of solar power installed (in megawatts) in a particular area from 2000 through 2008. The trend forecasting equations below were found, where X is the number of years after 2000. Complete parts (a) through (d) below. Y. = - 8.600 + 28. 1500X; Y. = 21.07 + 2.721X; + 3.1786X2 Click the icon to view the data table. a. Compute the standard error of the estimate (Syx) for each model. Linear Quadratic Syx 0 (Round to three decimal places as needed.) b. Compute the MAD for each model. Linear Quadratic MAD 0 (Round to three decimal places as needed.) c. On the basis of (a) and (b) and the principle of parsimony, which forecasting model would you select? The model with the values of Syx and MAD should be used, which is the model
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