(a) Make an Excel line graph of the data on employee work stoppages.
(b) Discuss the under- lying causes that might explain the trend or pattern.
(c) Fit three trends (linear, exponential, quadratic).
(d) Which trend model is best, and why? If none is satisfactory, explain.
(e) Make numerical forecasts for the next 3 years using a trend model of your choice or a judgment Strikers forecast.

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U.S. Workers Involved in Work Stoppages, 2000-2010 (thousands) Strikers 70 189 72 13 45 Year Strikers 394 46 Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 129 100