Intro Go to Yahoo Finance and download monthly stock price data for Facebook for all of 2017. (Hint: on Yahoo Finance, go to Historical Data, choose Time Period from Jan 1, 2017 to Dec 31, 2017 and choose MONTHLY for frequency, then "Apply", and finallly "Download Data" and open with Excel.) Part 1 | Attempt 1/50 for 10 pts. Use the adjusted close prices to calculate monthly returns. What was the arithmetic average monthly return? 4+ decimals Submit Part 2 | Attempt 1/50 for 10 pts. What was the standard deviation of monthly returns? (Use STDEV function in Excel) 4+ decimals Submit