$\backslash$table$[[,$Returns$],[$Year$,x,Y,],[1,8\%,12\%,],[2,21,27,],[3,-27,-32,],[4,11,18,],[5,18,24,]]$

Using the returns shown above, calculate the average returns, variances, and standard deviations for $x$ and $Y$ : $($Do not round intermediate calculations. Round the final percent answers to $2$ decimal places. The variances to $5$ decimal places.$)$

$\backslash$table$[[$Average returns,X$,$Y$],[$Variances$,\%,\%$