How to proof:R2=(Cov(X,Y)/SxSy)2 ||Y – y1||2 = || Ý – y1||? + ||€||?-Elvi – 5)² =i=1i=1i=1SCT = SCE + SCR ||Ý – ý1||?SCR= 1 –SCTSCER? == 1 -SCT||Y – 71||2||Y – y1||?

R2 is defined as the co-efficient of determination, which determines whether the fit of our…

Answered: How to proof: R2=(Cov(X,Y)/SxSy)2

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How to proof: R2=(Cov(X,Y)/SxSy)2

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 18E

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Question

How to proof:

R²=(Cov(X,Y)/S_xS_y)²

||Y – y1||2 = || Ý – y1||? + ||€||?
-
Elvi – 5)² =
i=1
i=1
i=1
SCT = SCE + SCR

||Ý – ý1||?
SCR
= 1 –
SCT
SCE
R? =
= 1 -
SCT
||Y – 71||2
||Y – y1||?

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