[Answer] Which statement is true concerning a coefficient of correlation?

Answer: b. A correlation coefficient may be useful in prediction.

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Which statement is true concerning a coefficient of correlation? Which of the following statements concerning the linear correlation coefficient is true ? A: If the linear correlation coefficient for two variables is zero then there is no relationship between the variables B: If the slope of the regression line is negative then the linear correlation coefficient is negative C: The value of the linear ... A) Almost no correlation because 0.7 is close to 1.0. B) 70% of the variation in one variable is explained by the other. C) Coefficient of determination is 0.49 . D) Coefficient of nondetermination is 0.30. Wed Feb 19 2020 · The strength of the relationship varies in degree based on the value of the correlation coefficient . For example a value of 0.2 shows there is a positive correlation between two variables but it ... Correlation Coefficient - Investopedia - Sharper Insight ... Correlation Coefficient Definition Correlation Coefficient Definition Correlation Coefficient Definition The correlation coefficient r = 0.75 shows a moderate positive relationship between two variables. D. The correlation coefficient describes the strength of the linear relationship between two variables . A correlation coefficient shows that smoking and life expectancy are indeed related. As a result a researcher could predict that ________ if the direction of the relationship is known. the person's ...

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