The following is the frequency distribution for the speed of a sample of automobiles traveling on an interstate highway. 
The standard deviation is
Definitions:
Foreign Exchange Risk
The risk of loss due to changes in currency exchange rates affecting the value of investments or financial transactions.
Deferred Payment
A payment postponed to a future date or a series of payments made over time after the purchase or agreement.
Exchange Rate
The rate at which one currency can be exchanged for another, influencing international trade and investments.
Exchange Rate Risk
The potential for loss due to fluctuating foreign exchange rates affecting international financial transactions.
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