Consider the following rates of return

Problem $10-8$ Risk Premlums

Consider the following rates of return

a$.$ Colculate the srithmetic average returns for lsrge$-$compsny stocks and T$-$blls over

this periad. $($Do not round intermedlate calculations and enter your answers as a

percent rounded to $2$ decimal places, eg$.,32\mathrm{.}16.)$

b$.$ Calculate the standard devistion of the returns for large$-$compsny stocks and T$-$bills

over this perlad. $($Do not round intermediate calculations and enter your answers

as a percent rounded to $2$ decimal places, e$.$g$.,3216.)$

c$-1.$ Calculate the obaerved riak premium in esch year for the large$-$compsny stocks

versus the T$-$billa. What was the srithmetic average risk premlum over this period? $($A

negative answer should be Indicated by a minus sign. Do not round intermediate

calculations and enter your answer as a percent rounded to $2$ decimal places,

e$.$g$.,3216.$