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The simple correlation coefficients between profits (X,), sales (X,) and advertising ex- penditure (X,) of a factory are r, = 0.69, r,, = 0.45 and r,, = 0.58. Find the partial correlation coefficient r., and r., , and interpret them.

The simple correlation coefficients between profits (X,), sales (X,) and advertising ex- penditure (X,) of a factory are r, = 0.69, r,, = 0.45 and r,, = 0.58. Find the partial correlation coefficient r., and r., , and interpret them.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The simple correlation coefficients between profits (X,), sales (X,) and advertising ex- = 0.45 and r,, = 0.58. Find the partial correlation coefficient penditure (X,) of a factory are r, = 0.69, r3 and r13.2 123 and interpret them.
Transcribed Image Text:The simple correlation coefficients between profits (X,), sales (X,) and advertising ex- = 0.45 and r,, = 0.58. Find the partial correlation coefficient penditure (X,) of a factory are r, = 0.69, r3 and r13.2 123 and interpret them.
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