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Statement of a problem № m66899

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(a) Use a graphing calculator to fit a regression line to the data in Exercise 61. (b) Estimate the number of Internet users worldwide in 2013 and compare the value with the result found in Exercise 61. In Exercise 61 Year, x Number of Internet Users Worldwide, y (in millions) 2001, 0 ............................................... 495 2002, 1 ............................................... 677 2003, 2 ............................................... 785 2004, 3 ............................................... 914 2005, 4 ............................................... 1036 2006, 5 ............................................... 1159 2007, 6 ............................................... 1393 2008, 7 ............................................... 1611 2009, 8 ............................................... 1858 2010, 9 ............................................... 2084* (c) Find the correlation coefficient for the regression line and determine whether the line fits the data closely.




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