Date A B C D Stock Exchange
09/03/2010 127.34 18.34 21.01 15.28 10,406.89
09/07/2010 126.32 18.15 20.41 15.54 10,251.67
09/08/2010 126.71 17.79 20.65 15.55 10,313.87
09/09/2010 126.34 17.93 20.75 15.87 10,452.03
09/10/2010 127.56 17.94 20.44 15.82 10,481.94
09/13/2010 130.83 18.41 21.09 16.18 10,554.54
09/14/2010 127.59 18.77 21.32 16.09 10,612.03
09/15/2010 129.66 18.76 21.47 16.45 10,614.75
09/16/2010 128.39 18.79 21.88 16.08 10,593.87
09/17/2010 130.97 18.63 21.77 16.28 10,704.91
09/20/2010 131.45 19.02 21.58 16.41 10,789.65
09/21/2010 132.36 18.98 21.76 16.65 10,753.74
a. Use Excel's Data Analysis Exponential Smoothing tool to forecast each of the stock prices
using simple exponential smoothing with a smoothing constant of
0.3
b. Compute the MAD, MSE, and MAPE for Stock A,B,C,D and Stock Exchange.
c. Does a smoothing constant of
0.1or
0.5yield better results?
a. Use Excel's Data Analysis Exponential Smoothing tool to forecast each of the stock prices
using simple exponential smoothing with a smoothing constant of
0.3
0.3
b. Compute the MAD, MSE, and MAPE for Stock A,B,C,D and Stock Exchange.
b. Compute the MAD, MSE, and MAPE for Stock A,B,C,D and Stock Exchange.
c. Does a smoothing constant of
0.1or
0.5yield better results?
c. Does a smoothing constant of
0.1or
0.5yield better results?
0.1
0.5.
AMERICAN LANGUAGE HUB_Level2_Student'sBook_Answerkey.pdf
Date A B C D Stock Exchange09032010 127.34 18.34 21.01 15.28 10,.pdf
1. Date A B C D Stock Exchange
09/03/2010 127.34 18.34 21.01 15.28 10,406.89
09/07/2010 126.32 18.15 20.41 15.54 10,251.67
09/08/2010 126.71 17.79 20.65 15.55 10,313.87
09/09/2010 126.34 17.93 20.75 15.87 10,452.03
09/10/2010 127.56 17.94 20.44 15.82 10,481.94
09/13/2010 130.83 18.41 21.09 16.18 10,554.54
09/14/2010 127.59 18.77 21.32 16.09 10,612.03
09/15/2010 129.66 18.76 21.47 16.45 10,614.75
09/16/2010 128.39 18.79 21.88 16.08 10,593.87
09/17/2010 130.97 18.63 21.77 16.28 10,704.91
09/20/2010 131.45 19.02 21.58 16.41 10,789.65
09/21/2010 132.36 18.98 21.76 16.65 10,753.74
a. Use Excel's Data Analysis Exponential Smoothing tool to forecast each of the stock prices
using simple exponential smoothing with a smoothing constant of
0.3
b. Compute the MAD, MSE, and MAPE for Stock A,B,C,D and Stock Exchange.
c. Does a smoothing constant of
0.1or
0.5yield better results?
2. a. Use Excel's Data Analysis Exponential Smoothing tool to forecast each of the stock prices
using simple exponential smoothing with a smoothing constant of
0.3
0.3
b. Compute the MAD, MSE, and MAPE for Stock A,B,C,D and Stock Exchange.
b. Compute the MAD, MSE, and MAPE for Stock A,B,C,D and Stock Exchange.
c. Does a smoothing constant of
0.1or
0.5yield better results?
c. Does a smoothing constant of
0.1or
0.5yield better results?
0.1
0.5
