Question $1(5$ points$)$

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 $0\mathrm{.}06458,$ the answer is $6\mathrm{.}46.$

Given the following information about past returns for Saphir Netmarketing, what is the standard deviation of returns?

Year

$1234$

Return

$11\mathrm{.}10\%$

$-3\mathrm{.}80\%$

$2\mathrm{.}90\%$

$6\mathrm{.}30\%$

$52\mathrm{.}20\%$

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