The data file Gold Price shows the year-end price of gold (in dollars) over 14 consecutive years. Use the method of simple exponential smoothing, with a smoothing constant of a = 0.7, to obtain...

The data file
Gold Price
shows the year-end price of gold (in dollars) over 14 consecutive years. Use the method of simple exponential smoothing, with a smoothing constant of a = 0.7, to obtain forecasts of the price of gold in the next 5 years.