Final answer:
The next step after creating a line graph of exchange rate data is to add a trendline using Moving Average.
Step-by-step explanation:
The next step after creating a line graph of exchange rate data is to add a trendline using Moving Average. This trendline helps to identify the overall trend in the data and provides a smoother representation of the data points. It can help in making predictions or determining the general direction of the exchange rate.
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