The coefficient of correlation between two variables \( \mathrm{X} ... VIDEO
The coefficient of correlation between two variables \( \mathrm{X} \) and \( \mathrm{Y} \) is \( 0.64 \). Their covariance is 16. The variance of \( X \) is 9 . Find the standard deviation of \( Y \)-series.https://bit.ly/YTAI_PWAP https://www.pw.live
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