In the last six years, Manitoba Television Services (MTS) stock had the following returns: Year 1 2 3 4 5 6 Return 100% -50% 40% -29% 60% -37.5% Show work when answering questions

a) The mean (or arithmetic average) annual return is _____________________________%.

b) The 6-year holding period return is ___________________________%.

c) The 6-year holding period return expressed as an effective rate per year is __________________________%.

d) Which of the above returns best indicates how a 6-year investment in MTS performed? __________________

e) The sample variance of the yearly returns is ______________________

f) The sample standard deviation of returns is _______________________