Please answer both questions, will give thumbs up. Thank you.

Please use the historical data below to answer this and the next set of questions. Which of the following stocks is less risky? Why? 1) Stock A. It has lower standard deviation. 2) Stock B. It has a lower standard deviation. 3) Both stocks have equal risk 4) Insufficient information Question 9 (1 point) Feel free to use spreadsheet to perform this and the next set of calculations. Calculate the sample mean of Stock A. 1) 6.25% 2) 2.3% 3) 6.01% 4) 2.25% 5) 15.13%