Chapter 5 - Linear Functions - 5-7 Scatter Plots and Trend Lines - Practice and Problem-Solving Exercises - Page 338: 11

$r=.94$ 1643 million tickets

The graph was made in Microsoft Excel. $r^{2} = .8868$ $r = \sqrt r^{2}$ $r = \sqrt .8868$ $r = .9417 = .94$ $y= 21.45*x-41557$ $y= 21.45*2014-41557$ $y= 43200.3 - 41557$ $y = 1643.3 $