Go to the St. Louis Federal Reserve FRED database, and find data on the daily dollar exchange

Question:

Go to the St. Louis Federal Reserve FRED database, and find data on the daily dollar exchange rates for the euro (DEXUSEU), British pound (DEXUSUK), and Japanese yen (DEXJPUS). Also find data on the daily three-month London Interbank Offer Rate, or LIBOR, for the United States dollar (USD3M-TD156N), euro (EUR3MTD156N), British pound (GBP3MTD156N), and Japanese yen (JPY3M-TD156N). LIBOR is a measure of interest rates denominated in each country's respective currency.
a. Calculate the difference between the LIBOR rate in the United States and the LIBOR rates in the three other countries using the data from one year ago and the most recent data available.
b. Based on the changes in interest rate differentials, do you expect the dollar to depreciate or appreciate against the other currencies?
c. Report the percentage change in the exchange rates over the past year. Are the results you predicted in part (b) consistent with the actual behavior?
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...