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Shown below are rental and leasing revenue figures for office
machinery and equipment in the United States over a sevenyear period according to the U.S. Census Bureau. Use these
data to run a linear regression and then forecast the rental
and leasing revenue for the year 2012.
Year Rental and Leasing ($ millions)
2004. 2004 5,860
2005. 2005 6,632
2006. 2006 7,125
2007. 2007 6,000
2008. 2008 4,380
2009. 2009 3,326
2010. 2010 2,642
Question 2
Suppose a researcher gathered survey data from 19
employees and asked the employees to rate their job
satisfaction on a scale from 0 to 100 (with 100 being perfectly
satisfied). Suppose the following data represent the results of
this survey. Assume that