The following table uses the data in Solar Power to show the yearly amount of solar power installed (in megawatts) in the United States from 2000 through 2008: Year Amount of Solar Power Installed 2000 18 2001 27 2002 44 2003 68 2004 83 2005 100 2006 140 2007 210 2008 250 Source: Data extracted from P

The following table uses the data in Solar Power to show the yearly

amount of solar power installed (in megawatts) in the United States from 2000 through 2008:
Year Amount of Solar Power Installed
2000 18
2001 27
2002 44
2003 68
2004 83
2005 100
2006 140
2007 210
2008 250

Source: Data extracted from P. Davidson, "Glut of Rooftop Solar
Systems Sinks Price," USA Today, January 13, 2009, p. 1B.


a)   Construct a time-series plot for the yearly amount of solar power installed (in megawatts) in the United States.
b)    What pattern, if any, is present in the data?