document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1171072>Question 1171072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The table below provides with the weekly returns for Bitcoin and Ethereum for 20 consecutive weeks.DateBitcoinEthereum\r<BR>\n" );
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document.write( "06/07/2020  2.2%   6.4%\r<BR>\n" );
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document.write( "13/07/2020  -1.0%  -1.5%\r<BR>\n" );
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document.write( "20/07/2020  7.8%    29.8%\r<BR>\n" );
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document.write( "27/07/2020  11.6%   19.7%\r<BR>\n" );
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document.write( "03/08/2020  5.6%    5.5%\r<BR>\n" );
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document.write( "10/08/2020  1.9%    10.9%\r<BR>\n" );
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document.write( "17/08/2020  -1.9%   -9.8% \r<BR>\n" );
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document.write( "24/08/2020  0.4%    9.5%\r<BR>\n" );
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document.write( "31/08/2020  -12.2%  -17.5%\r<BR>\n" );
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document.write( "07/09/2020   0.4%    3.5%\r<BR>\n" );
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document.write( "14/09/2020   6.0%    1.5% \r<BR>\n" );
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document.write( "21/09/2020   -1.5%   -3.7%\r<BR>\n" );
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document.write( "28/09/2020   -0.8%   -1.2%\r<BR>\n" );
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document.write( "05/10/2020    6.5%    6.2%\r<BR>\n" );
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document.write( "12/10/2020    0.9%    0.8%\r<BR>\n" );
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document.write( "19/10/2020    13.5%   7.4%\r<BR>\n" );
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document.write( "26/10/2020     5.4%   -2.4%\r<BR>\n" );
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document.write( "02/11/2020    12.7%   14.4%\r<BR>\n" );
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document.write( "09/11/2020     1.4%    2.1%\r<BR>\n" );
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document.write( "12/11/2020     3.4%    0.0% \r<BR>\n" );
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document.write( "a. Calculate the standard deviation of Bitcoin and Ethereum’s returns. \r<BR>\n" );
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document.write( "b. Calculate the covariance between the returns on these two cryptocurrencies. \r<BR>\n" );
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document.write( "c. Calculate the correlation between returnes.\r<BR>\n" );
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document.write( " d. What kind of linear correlation exists between the variables </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #795950 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52784)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=795950\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "In the Internet, find standard solvers for such calculations, and use them (on the free of charge basis).\r<BR>\n" );
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document.write( "<H3>Making calculations is the students' honor duty and a privilege (!)</H3>\r<BR>\n" );
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document.write( " </SPAN>\n" );
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