choose the correct answerWhich of the following is the correct formula for the Pearson-r correlation? r=Σχν-Σ* ΣυV[n2x2- (Σκ) ][n Ey-(Σy)2]Option 1nExy-ΣΑV[nΣx2-(Σx)2 ][n Eyž -(Σν)]Option 3r=ηΣxy-Σ× ΣυV[n2x2- (Σx)2 ][n Eyā - (Σy)]Option 2r=ηΣχ. Σ. ΣΥV[nEx2- (Σ*)2 ][n Ey2-(Σy)2]O Option 4

For a collection of n data point of x vs y where y is dependent on the x variable, The Pearson-r…

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ng is the correct formula for the Pearson-r correlation?

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

choose the correct answer

Which of the following is the correct formula for the Pearson-r correlation?

r=
Σχν-Σ* Συ
V[n2x2- (Σκ) ][n Ey-(Σy)2]
Option 1
nExy-ΣΑ
V[nΣx2-(Σx)2 ][n Eyž -(Σν)]
Option 3
r=
ηΣxy-Σ× Συ
V[n2x2- (Σx)2 ][n Eyā - (Σy)]
Option 2
r=
ηΣχ. Σ. ΣΥ
V[nEx2- (Σ*)2 ][n Ey2-(Σy)2]
O Option 4

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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