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By hand compute the sample correlation coefficient for the following data: 1 9. 10 y 20 18 10 8 4 Can you be 95% confident that a linear relation exists between the variables? If so, is the relation positive or negative? Justify you answer.

By hand compute the sample correlation coefficient for the following data: 1 9. 10 y 20 18 10 8 4 Can you be 95% confident that a linear relation exists between the variables? If so, is the relation positive or negative? Justify you answer.

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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By hand compute the sample correlation coefficient for the following data: 4 9. 10 y 20 18 10 8 4 Can you be 95% confident that a linear relation exists between the variables? If so, is the relation positive or negative? Justify you answer.
Transcribed Image Text:By hand compute the sample correlation coefficient for the following data: 4 9. 10 y 20 18 10 8 4 Can you be 95% confident that a linear relation exists between the variables? If so, is the relation positive or negative? Justify you answer.
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