The variance of Y is σ2y = 4.6875 and the variance of the sum is σ2x + y = 9.1875. You know the variance of X=1. Find the covariance, xy.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
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The variance of Y is σ2y = 4.6875 and the variance of the sum is σ2x + y = 9.1875. You know
the variance of X=1. Find the covariance, xy. Show work

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