An investment for the past five years has had returns of 15.4, 16.25, -9.85, -6, and 3 respectively, what is the variance of these returns? Given the information in Pt 1, what is the standard deviation? Given the information in Pt 1, what is the geometric average return? Please provide your answer as a decimal. Given the information in the previous parts, would you choose this investment? Why or why not?