We have the following information about the random variables X and Y: 1.5, мү – 1.5 , ox . 2, σΥ 0.5, Cov(X, Y) = – 0.54. %3D %3D Calculate the standard deviation of Z = - 5X + 1Y + 8, - 0z =

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A: From the provided information,

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A: σX2=3.2, σY2=4.9

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.