"What is the upper bound of the 95% confidence interval for the following stock returns? (Blackboard will yell at you about the units (%), when tested it looks like adding the units or leaving the units off of this problem makes no difference in the grading. Do NOT answer in decimal form!) Year 1 - 15%, Year 2 - -0.5%, Year 3--6.2%, Year 4 - -7.5%, Year 5 - 12.1%, Year 6 - 6%" - "What is the standard deviation of this stock return series? Year 1 --5.1%, Year 2--5.1%, Year 3 - -9.2%, Year 4 - 13%, Year 5 - 4.2%, Year 6 - 9.5%