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Unformatted text preview: ..by pressing ENTER. You can then highlight any of the options you would like. Now press ZOOM and select 9: ZoomStat. You will have a plot of the original data points and the least squares line. Example 2: A manufacturer of electric motors, submitted the accompanying data. The table shows the net sales (in millions of dollars) during a 5 year period: Year Net Sales 1999 426 2000 437 2001 460 2002 473 2003 477 a) Determine the equation of the least-squares line for these data. (Let x represent the number of years since 1999.) b) Draw a scatter diagram and the least-squares line for these data. c) Use the result obtained in part (a) to predict the net sales for 2010. d) When will the net sales reach $500 million? Section 1.5 Highly Suggested Homework Problems: 3, 7, 11 10...
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- Fall '08