Show that the correlation coefficient can be expressed in the following form (show all your work and assumptions): P 22 Ei=1 Xiyi-n* x*y '12 'n √Σ² = ₁ x ²² — n * x² √ Σ7²₁ yi² – n • y²
Show that the correlation coefficient can be expressed in the following form (show all your work and assumptions): P 22 Ei=1 Xiyi-n* x*y '12 'n √Σ² = ₁ x ²² — n * x² √ Σ7²₁ yi² – n • y²
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Show that the correlation coefficient can be expressed in the following form (show all your work
and assumptions):
P
Zi=1 XiYi - n*x*y
*
Σ²²_₁ x ₁² — n * x² √√²²₁y₁² - n + y²
Zi=1
i=1
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