Problem

(a) Make an Excel line graph of the data on employee work stoppages. (b) Discuss the under...

(a) Make an Excel line graph of the data on employee work stoppages. (b) Discuss the underlying 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 a forecast for 2007, using a trend model of your choice or a judgment forecast. Strikers

U.S. Workers Involved in Work Stoppages (thousands)

Year

Strikers

Year

Strikers

1997

339

2002

46

1998

387

2003

129

1999

73

2004

171

2000

394

2005

100

2001

99

2006

70

Source: http://dala.bls.gov

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