Answered: For each of the following four plots,… | bartleby

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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For each of the following four plots, indicate whether the sample correlation coefficient is strongly
positive (greater than 0.3), weak (between -0.3 and 0.3), or strongly negative (less than -0.3).
y
0-
-2-
-4-
7.5-
5.0-
2.5-
0.0-
-2.5-
Plot A
Plot C
-2
2
-3
-5
1.00-
0.75-
0.50-
0.25-
0.00-
0.0000-
-0.0025-
-0.0050-
X
Plot B
Plot D
-2
2
-3
-5

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What is the correlation coefficient (r) for the best data set
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