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Five years ago, you purchased 600 shares of stock

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Five years ago, you purchased 600 shares of stock. The annual returns have been 7.2%, -19.4%, 3.8%, 14.2% and 27.9%, respectively. What is the variance of these returns?

Select one:

a) 0.030021

b) 0.030068

c) 0.030133

d) 0.030284

e) 0.029889