Question 4C and D.

U.S. Civilian Labor Force, 2007-2016 Year Labor Force 2007 153,918 2008 154,655 2009 153,111 2010 153,650 2011 153,995 2012 155,628 2013 155,151 2014 156,238 2015 157,957 2016 159,640 (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.) 7 Linear 7 Quadratic 7 Exponential (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