U.S. Civilian Labor Force (thousands) Year Labor Force Year Labor Force 2007 153,918 2012 155,628 2008 154,655 2013 155,151 2009 153,111 2014 156,238 2010 153,650 2015 157,957 2011 153,995 2016 159,640 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 A Line Graph B Line Graph C Line Graph D (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.) Linearchecked Quadraticunchecked Exponentialchecked (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

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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U.S. Civilian Labor Force (thousands)
Year	Labor Force	Year	Labor Force
2007	153,918	2012	155,628
2008	154,655	2013	155,151
2009	153,111	2014	156,238
2010	153,650	2015	157,957
2011	153,995	2016	159,640

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 A
Line Graph B
Line Graph C
Line Graph D

(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.)

Linearchecked
Quadraticunchecked
Exponentialchecked

(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

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