Attachment 26007
in the last line of the above, why is the last expression not 2ab sigma xy? why is it just ab when the line above says 2abCov(X,Y)
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Attachment 26007
in the last line of the above, why is the last expression not 2ab sigma xy? why is it just ab when the line above says 2abCov(X,Y)
Its just notation. For example
Sorry i miss read you question. It looks like they have a typo.
