xRate of return yRate of Return Date -4.75 7.65 Month 1 Month 2 Month 3 Month 4 -4.76 5.34 12.09 -2.98 6.98 9.65 Calculate the covariance per month between the two companies. Show all your working.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

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Consider the information below Y
relating to the monthly rates of
return for two companies X and
Y over a period of 4 months:
xRate of return
yRate of Return
Date
Month 1
-4.76
-4.75
Month 2
Month 3
7.65
6.98
5.34
12.09
-2.98
Month 4
9.65
Calculate the covariance per month between the two companies. Show all your
working.
Transcribed Image Text:Consider the information below Y relating to the monthly rates of return for two companies X and Y over a period of 4 months: xRate of return yRate of Return Date Month 1 -4.76 -4.75 Month 2 Month 3 7.65 6.98 5.34 12.09 -2.98 Month 4 9.65 Calculate the covariance per month between the two companies. Show all your working.
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