=+26. Women’s weekly earnings 2013. The following graph shows the quarterly median weekly earnings for U.S.

women 25 years of age or older (U.S. Bureau of Labor Statistics; www.bls.gov). Data are provided from the first quarter of 2003 through the first quarter of 2013.

Plot A Plot B M19_SHAR8696_03_SE_C19.indd 710 14/07/14 7:37 AM Exercises 711 560 600 640 680 720 2004 2007 2010 2013 Women's Weekly Earnings Year Here is single exponential smoothing model to these data using a = 0.2.

10 20 30 40 Year 560 600 640 680 Women's Weekly Earnings Here is the exponential smoothing model using a = 0.8:

10 20 30 40 Year 560 600 640 680 Women's Weekly Earnings