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Given that covariance matrix, why is the covariance of Y and Z in this case "(-1 0)" or what would be the covariance of X and Y?

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closed as unclear what you're asking by whuber Feb 17 at 16:20

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  • $\begingroup$ Could you please explain what "covariance of Y and Z of the covariance matriz" means? $\endgroup$ – whuber Feb 17 at 16:21