which is true of linear equations?

Statistics
Tutor: None Selected Time limit: 1 Day

Which of the following statements concerning the linear correlation coefficient are true?


I: If the linear correlation coefficient for two variables is zero, then there is no relationship between the variables.
II: If the slope of the regression line is negative, then the linear correlation coefficient is negative.
III: The value of the linear correlation coefficient always lies between -1 and 1.
IV: A linear correlation coefficient of 0.62 suggests a stronger linear relationship than a linear correlation coefficient of -0.82.
Aug 4th, 2015

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2,3 are right choices

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Aug 4th, 2015

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