5 Consider the following returns for two investments, A and B. over the past four years: Invest 11 Investment 21 4 -31 119 31 13 20% a-1. Calculate the mean for each investment. (Round your answers to 2 decimal places.) Investment Investment 2 Mean 2. Which investment provides the higher return? O Investment 1 O Investment 2 b-1. Calculate the standard deviation for each investment (Round your answers to 2 decimal places.) Standard Deviation b-1. Calculate the standard deviation for each investment. (Round your answers to 2 decimal places.) Standard Deviation Investment 1 Investment 21 % % b-2. Which investment provides less risk? O Investment 1 Investment 2 c-1. Given a risk-free rate of 1.4%, calculate the Sharpe ratio for each investment. (Round your answers to 2 decimal places.) Investment 1 investment 2 Sharpe Ratio b-2. Which investment provides less risk? O Investment 1 Investment 2 c-1. Given a risk-free rate of 1.4%, calculate the Sharpe ratio for each investment. (Round your answers to 2 decimal places.) Investment 1 Investment 2 Sharpe Ratio c-2. Which investment has performed better? O Investment 2 O Investment 1 Consider the following returns for two investments, A and B, over the past four years: Investment 1: Investment 2: 48 6% -38 118 98 138 -18% 208 a-1. Calculate the mean for each investment. (Round your answers to 2 decimal places.) Investment 1 Investment 2 Mean % % a-2. Which investment provides the higher return? Investment 1 O Investment 2 b-1. Calculate the standard deviation for each investment. (Round your answers to 2 decimal plac Investment 1 Standard Deviation % a-1. Calculate the mean for each investment. (Round your answers to 2 decimal places.) Investment 1 Investment 2 Mean % a-2. Which investment provides the higher return? O Investment 1 Investment 2 b-1. Calculate the standard deviation for each investment. (Round your answers to 2 decimal places.) Investment 1 Investment 2 Standard Deviation % % b-2. Which investment provides less risk? O investment 1 O investment 2 c-1. Given a risk-free rate of 1.4%, calculate the Sharpe ratio for each investment. (Round your answers to 2 decimal places.) Investment 2 Sharpe Ratio c-2. Which investment has performed better? O Investment 2 O Investment 1