Question: Consider the data for IBM in the Excel file Closing Stock Prices . Use the double exponential smoothing procedure to find forecasts for the next
Consider the data for IBM in the Excel file Closing Stock Prices. Use the double exponential smoothing procedure to find forecasts for the next two time periods for IBM stock prices. Use =0.72 and = 0.28.
| Closing Stock Prices | |||||
| Date | IBM | INTC | CSCO | GE | DJ Industrials Index |
| 9/3/2010 | $127.58 | $18.43 | $21.04 | $15.39 | 10447.93 |
| 9/7/2010 | $125.95 | $18.12 | $20.58 | $15.44 | 10340.69 |
| 9/8/2010 | $126.08 | $17.90 | $20.64 | $15.70 | 10387.01 |
| 9/9/2010 | $126.36 | $18.00 | $20.61 | $15.91 | 10415.24 |
| 9/10/2010 | $127.99 | $17.97 | $20.62 | $15.98 | 10462.77 |
| 9/13/2010 | $129.61 | $18.56 | $21.26 | $16.25 | 10544.13 |
| 9/14/2010 | $128.85 | $18.74 | $21.45 | $16.16 | 10526.49 |
| 9/15/2010 | $129.43 | $18.72 | $21.59 | $16.34 | 10572.73 |
| 9/16/2010 | $129.67 | $18.97 | $21.93 | $16.23 | 10594.83 |
| 9/17/2010 | $130.19 | $18.81 | $21.86 | $16.29 | 10607.85 |
| 9/20/2010 | $131.79 | $18.93 | $21.75 | $16.55 | 10753.62 |
| 9/21/2010 | $131.98 | $19.14 | $21.64 | $16.52 | 10761.03 |
| 9/22/2010 | $132.57 | $19.01 | $21.67 | $16.50 | 10739.31 |
| 9/23/2010 | $131.67 | $18.98 | $21.53 | $16.14 | 10662.42 |
| 9/24/2010 | $134.11 | $19.42 | $22.09 | $16.66 | 10860.26 |
| 9/27/2010 | $134.65 | $19.24 | $22.11 | $16.43 | 10812.04 |
| 9/28/2010 | $134.89 | $19.51 | $21.86 | $16.44 | 10858.14 |
| 9/29/2010 | $135.48 | $19.24 | $21.87 | $16.36 | 10835.28 |
| 9/30/2010 | $134.14 | $19.20 | $21.90 | $16.25 | 10788.05 |
| 10/1/2010 | $135.64 | $19.32 | $21.91 | $16.36 | 10829.68 |
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