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Mathematics, 16.12.2019 21:31 jm482931

Covariance matrix of temperature measurements in a weather station, represented with a random vector x=[x1 x2 x3]’, is given as: it is known that rvs xi are random gaussian in nature �" = 8 14 12.1 10.8 12.1 12 11.4 10.8 11.4 11 > a. what is the variance in these three measurements? b. what are the cov[x1,x2] and cov[x3,x1]? c. are xi independent from one another?

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