07:24 49 / 94% 3. The table below provides with the weekly returns for Bitcoin and Ethereum for 20 consecutive weeks. Date Bitcoin Ethereum 06/07/2020 22% 6.4% 13/07/2020 -1.0% 1.5% 20/07/2020 7.8% 29.8% 27/07/2020 11.6% 19.7% 03/08/2020 5.6% 5.5% % 10/08/2020 1.9% 10.9% % 17/08/2020 -1.9% -9,8% 24/08/2020 0.4% 9.5% 31/08/2020 -12.2% -17.5% 07/09/2020 0.4% 3.5% 14/09/2020 6.0% 1.5% 21/09/2020 -15% -3.7% 28/09/2020-0.8% 1.2% 05/10/2020 6.5% % 6.2% 12/10/2020 0.9% 0.8% 19/10/2020 13.5% 7.4% 26/10/2020 5.4% -2.4% 02/11/2020 12.7% 144% 09/11/2020 1.4% 2.1% 12/11/2020 3.4% 0.0% a. Calculate the standard deviation of Bitcoin and Ethereum's returns b. Calculate the covariance between the returns on these two cryptocurrencies Calculate the correlation between returns d. What kind of linear correlation exists between the variables? c