$4$

$\backslash$table$[[,$Returns$],[$Year$,x^2,Y,,,],[1,154,204,,,],[2,18,30,,,],[3,9,15,,,],[4,-9,-16,,,],[5,10,20,,,]]$

eBlook

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

$\backslash$table$[[,$X$,Y$