Question 5 1 pts Estimate the standard deviation of KO's (i.e. Coca-Cola's common stock) monthly returns using data from Jan. 1, 2015 to Dec 31, 2019. Enter your answer as a percent without the "%". Round your final answer to two decimals. Question 6 1 pts Using the data from Jan. 1, 2015 to Dec. 31, 2019, estimate the standard deviation of the monthly returns of a portfolio consisting of one share of KO, one share of T, and one share of XOM. Enter your answer as a percent without the "%". Round your final answer to two decimals. Question 5 1 pts Estimate the standard deviation of KO's (i.e. Coca-Cola's common stock) monthly returns using data from Jan. 1, 2015 to Dec 31, 2019. Enter your answer as a percent without the "%". Round your final answer to two decimals. Question 6 1 pts Using the data from Jan. 1, 2015 to Dec. 31, 2019, estimate the standard deviation of the monthly returns of a portfolio consisting of one share of KO, one share of T, and one share of XOM. Enter your answer as a percent without the "%". Round your final answer to two decimals