As the world's economy becomes increasingly interdependent, various exchange rates between currencies have become important in making

Question:

As the world's economy becomes increasingly interdependent, various exchange rates between currencies have become important in making business decisions. For many U.S. businesses, the Japanese (in yen per U.S. dollar) is an important decision variable. This (EXRJ) is shown in the following table by month for a two-year period:

Prepare a time-series plot of this series, and use the naive forecasting model to forecast EXRJ for each month from year 1 M2 (February) through year 3 Ml (January). Calculate the RMSE for the period from year 1 M2 through year 2 Ml2.

Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...