Identify the true statements about the correlation coefficient, r. When the data points in a scatter plot fall closely around a straight line that is cither increasing or decreasing, the correlation between the two variables is strong. | The correlation coefficient is not affected by outliers. The value of r ranges from negative one to positive one. | The absolute value of r describes the magnitude of the association between two variables. |A correlation coefficient of zero means that no relationship exists between the two variables. If two variables are negatively correlated, when one variable increases, the other variable also increases. Incorrest
Identify the true statements about the correlation coefficient, r. When the data points in a scatter plot fall closely around a straight line that is cither increasing or decreasing, the correlation between the two variables is strong. | The correlation coefficient is not affected by outliers. The value of r ranges from negative one to positive one. | The absolute value of r describes the magnitude of the association between two variables. |A correlation coefficient of zero means that no relationship exists between the two variables. If two variables are negatively correlated, when one variable increases, the other variable also increases. Incorrest
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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Identify the true statements about the correlation coefficient, r.
V When the data points in a scatter plot fall closely around a straight line that is either increasing or decreasing, the
correlation between the two variables is strong.
O The correlation coefficient is not affected by outliers.
V The value of r ranges from negative one to positive one.
V The absolute value of r describes the magnitude of the association between two variables.
O A correlation coefficient of zero means that no relationship exists between the two variables.
V If two variables are negatively correlated, when one variable increases, the other variable also increases.
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