Question

U.S. Civilian Labor Force (thousands)
Year	Labor Force		Year	Labor Force
2007	168,954		2012	170,664
2008	169,691		2013	170,187
2009	168,147		2014	171,274
2010	168,686		2015	172,993
2011	169,031		2016	174,676

Click here for the Excel Data File

(a) Make a line graph of the U.S. civilian labor force data.

Line Graph A	Line Graph B	Line Graph C	Line Graph D

• Line Graph 1

• Line Graph 2

• Line Graph 3

• Line Graph 4

(b) Describe the trend (if any) and discuss possible causes.

Trend is  (Click to select)  positive  negative  . There seems to be an  (Click to select)  increase  decrease  in the rate of growth over the past few years.

(c) Fit three trend models: linear, exponential, and quadratic. Which model would offer the most believable forecasts? (You may select more than one answer. Click the box with a check mark for the correct answer and double click to empty the box for the wrong answer.)

• Linearunanswered
• Quadraticunanswered
• Exponentialunanswered

(d) Make forecasts using the following fitted trend models for years 2017-2019. (Round your answers to the nearest whole number.)

t	Linear	Quadratic	Exponential
11
12
13

Answer 1

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