# Question: Consider the percentage change in the value of the dollar

Consider the percentage change in the value of the dollar with respect to other currencies over a four-week period (Table 5.5.7).

a. Find the standard deviation of these percentages.

b. Interpret this standard deviation. In particular, what does it measure about the foreign exchange markets?

a. Find the standard deviation of these percentages.

b. Interpret this standard deviation. In particular, what does it measure about the foreign exchange markets?

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