(a-1) Select an Excel line graph of the following bond yield data. Seved U.S. Treasury 10-Year Bond Yields at Week's End (n = 52 weeks) Week Yield Week Yield Week Yield Week Yield 4/2/04 4/9/04 4/16/04 4/23/04 4/30/04 5/7/04 5/14/04 5/21/04 5/28/04 6/4/04 6/11/04 6/18/04 6/25/04 7/2/04 7/9/04 7/16/04 7/23/04 7/30/04 /6/04 8/13/04 8/20/04 8/27/04 9/3/04 9/10/04 9/17/04 9/24/04 10/1/04 10/8/04 10/15/04 10/22/04 12/31/04 1/7/05 1/14/05 1/21/05 1/28/05 2/4/05 2/11/05 2/18/05 2/25/05 3/4/05 3/11/05 3/18/05 3/25/05 4.10 4.78 4.25 4.44 4.36 4.64 4.35 4.43 4.51 4.62 4.23 4.40 4.58 4.61 4.18 4.34 4.64 4.71 10/29/04 11/5/04 11/12/04 11/19/04 11/26/04 12/3/04 12/10/04 12/17/04 12/24/04 4.20 4.34 4.77 4.56 4.27 4.29 4.96 4.43 4.37 4.21 4.89 4.38 4.32 4.31 4.83 4.40 4.35 4.43 4.89 4.34 4.50 4.52 4.95 4.36 4.34 4.60 4.90 4.29 4.31 4.66 4.84 4.19 4.36 4.74 Yield A US Treasury 10-Year Bond Yileds at Weeks End (n=52 weeks) 525 5.05 4.65 4.25 Yield B US Treasury 10-Year Bond Yileds at Weeks End (n-52 weeks) 525 505 485 4.65 445 425 405 Yield C US Treasury 10-Year Bond Yileds at Weeks End (n=52 weeks) 5.25 5.05 4.65 4.45 4.25 Yield D US Treasury 10-Year Bond Yileds at Weeks End (n=52 weeks) 545 5.25 5.05 A5 4.65 445 425 (b) Perform exponential smoothing with a = 20. Use both methods A and Bto initialize the forecast. Record the statistics of fit. (Round the Mean squared error to 3 decimal places, percent values to 1 decimal place and Forecast to 2 decimal places.) .20 Mean squared error Mean absolute percent error Forecast for period 53 (c) Do the smoothing again with a = 10 and then with a = 30, recording the statistics of fit. (Round the Mean squared error to 3 decimal places and percent values to 1 decimal place.) .10 30 Mean squared error Mean absolute percent error (d) Compare the statistics of fit for the three values of a.