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The past five monthly returns for PG&E are 3.45 percent, 4.58 percent, 4.05 percent, 6.89 percent, and 3.86 percent. Compute the standard deviation of PG&Es

The past five monthly returns for PG&E are 3.45 percent, 4.58 percent, 4.05 percent, 6.89 percent, and 3.86 percent. Compute the standard deviation of PG&Es monthly returns. (Do not round intermediate calculations and round your final answer to 2 decimal places.)

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