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20
Linear Regression
9. The table below shows the average price of a movie ticket during certain years.
year 2002 2003 2004 2005 2006 2007
2008
price 5.80 6.03 6.21 6.41
6.55 6.88 7.18
2009
7.35
a) Find the regression equation.
b) During what approximate year will the price of a
movie ticket reach $157
