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MBA, PHD
Phoniex
Jul-2007 - Jun-2012
Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016
Question description
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I need help with this last question on my homework.Â
The table shows the average cost, in dollars, of a movie ticket in the United States for different years.
Year
1948
1963
1974
1978
1985
1991
1997
2005
2010
Cost
0.36
0.86
1.89
2.34
3.55
4.21
4.59
6.41
7.89
Use technology to answer the following:
Find the equation of the least squares regression line. Round values of a and b to four decimal places.
Find r. Round to three decimal places. Interpret the r-value.
Find . Round to three decimal places. Tell what it means.
Use the equation of the least squares regression line to predict the average cost of a movie ticket in 1995.
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