A random sample of companies in electric utilities $($I$),$ financial services $($II$),$ and food processing $($III$)$ gave the following information regarding annual profits per employee $($units in thousands of dollars$).$

I II III

$49\mathrm{.}655\mathrm{.}139\mathrm{.}2$

$43\mathrm{.}424\mathrm{.}637\mathrm{.}1$

$32\mathrm{.}141\mathrm{.}910\mathrm{.}8$

$27\mathrm{.}829\mathrm{.}932\mathrm{.}6$

$38\mathrm{.}839\mathrm{.}515\mathrm{.}6$

$36\mathrm{.}542\mathrm{.}8$

$20\mathrm{.}5$ Find d$.$f$.$BET, d$.$f$.$W$,$ MSBET, and MSW$.($Use $3$ decimal places for MSBET, and MSW$.)$