Question $2-$ HW #$7$ Risk and Return $-$ Connect

$10\mathrm{.}6$ More on Average Returns

#$7$ Risk and Return i

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Problem $10-7$ Calculating Returns and Variability

$\backslash$table$[[,$Returns$],[$Year$,x^2,Y,],[1,16\%,20\%,],[2,19,31,],[3,-8,-17,],[4,10,15,],[5,10,21,]]$

Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for $x$ and $Y.($Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$ Enter your variance answers rounded to $5$ decimal places, e$.$g$.,\mathrm{.}16161.)$

$\backslash$table$[[,x,,Y,],[$Average returns,$9\mathrm{.}40,\%,14\mathrm{.}00,\%$