$10\mathrm{.}5\mathrm{.}9$ Portfolio turnover expresses the past year's trading activity as a percentage of an account's average assets. The following table summarizes the performances of one hundred mutual funds cross$-$classified according to portfolio turnover and annual return. Test the independence assumption. Let $=0\mathrm{.}05.$

$\backslash$table$[[t,,$Annual Return$],[,10\%,>10\%$