Question: The file Coffee Exports contains the coffee exports (in thousands of 60 kg bags) by Costa Rica from 2004 to 2018. a. Plot the data.

The file Coffee Exports contains the coffee exports (in thousands of 60 kg bags) by Costa Rica from 2004 to 2018.
a. Plot the data.
b. Fit a three-year moving average to the data and plot the results.
c. Using a smoothing coefficient of W = 0.50, exponentially smooth the series and plot the results.
d. What is your exponentially smoothed forecast for 2019?
e. Repeat (c) and (d), using a smoothing coefficient of W = 0.25.
f. Compare the results of (d) and (e).
g. What conclusions can you reach about the exports of coffee in Costa Rica?

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