Read the following SAT test question and then click on a button to select your answer.

Various financial instruments with an initial value of 100 are given a predicted expected percentage rate of return, r, and a five-year volatility, v, in dollars, as shown in the scatterplot above. Based on the scatterplot, which of the following is the best prediction for a five-year volatility, in dollars, if the expected rate of return is 4%?

A.9
B.20
C.25
D.75

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