Go to Yahoo Finance and download monthly stock price data for Facebook and Twitter for all of 2017. Part 1 BAttempt 1/10 for 9.5 pts. Use the adjusted close prices to calculate monthly returns. What was the arithmetic average monthly return for Twitter? 4+ decimals Submit Part 2 What was the variance for Twitter? 4+ decimals Submit Part 3 What was the standard deviation for Twitter? 3+ decimals Attempt 1/10 for 9.5 pts. Attempt 1/10 for 9.5 pts. Part 3 What was the standard deviation for Twitter? 3+ decimals Submit Part 4 What was the covariance of returns? 5+ decimals Submit Attempt 1/10 for 9.5 pts. Attempt 1/10 for 9.5 pts. Part 5 What was the correlation coefficient? Attempt 1/10 for 9.5 pts. 3+ decimals Submit