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The Table Shows Average Salaries for Employees of Mediocre Tools

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The table shows average salaries for employees of Mediocre Tools, Inc. Find a linear regression equation for the data and graph the equation with a scatter plot of the data. (Use x=0 for 1975 , and express values to the nearest hundredth.) Use this data to estimate the average salary in 2008 .
 Year  Average Salary ($) 197515,642198016,580198517,409199019,150199520,491200021,925\begin{array}{cc}\text { Year } & \text { Average Salary (\$) } \\\hline 1975 & 15,642 \\1980 & 16,580 \\1985 & 17,409 \\1990 & 19,150 \\1995 & 20,491 \\2000 & 21,925\end{array}

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