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This problem is most easily solved using a spreadsheet; for accuracy input percentages as decimals or use the % sign, do not input as if
This problem is most easily solved using a spreadsheet; for accuracy input percentages as decimals or use the % sign, do not input as if these were integers. Do not do any interim rounding, calculate values to 6 decimal places before converting to percentages, state the answer to two places, do not use labels (%, $). For example, if the value is 0.06458, the answer is 6.46.
Given the following information about past returns for Saphir Netmarketing, what is the standard deviation of returns?
Year Return
1 -4.30%
2 8.30%
3 3.20%
4 -1.20%
5 6.70%
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