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4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C) perfect positive following data D) no correlation

4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C) perfect positive following data D) no correlation

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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4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C) perfect positive 5- The correlation for the following data N=11 Σx = 117, ΣΥ = 260, Σ x2 = 1313,ΣΥ2 = 6580 Σxy = 2827 is A) 0.3566 B)-0.3566 C) 0.4566 D) -0.4566 D) no correlation
Transcribed Image Text:4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C) perfect positive 5- The correlation for the following data N=11 Σx = 117, ΣΥ = 260, Σ x2 = 1313,ΣΥ2 = 6580 Σxy = 2827 is A) 0.3566 B)-0.3566 C) 0.4566 D) -0.4566 D) no correlation
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