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What correlation coefficients represents a situation in which there is no relationship between variables?
We would need to have the list of correlation coefficients to respond to this question.
Which one of the following correlation coefficients indicates the weakest correlation?
None of them.
Which one of the following correlation coefficients indicates the weakest correlation Answer - 0.01 plus 0.021 plus 0.76 - 0.88?
Assuming that all of these coefficients are based on samples of the same size then the weakest correlation is -0.01 because its absolute value (0.01) is the smallest.
What are the properties of correlation coefficient?
The correlation coefficient is symmetrical with respect to X and Y i.e.The correlation coefficient is the geometric mean of the two regression coefficients. or .The correlation coefficient lies between -1 and 1. i.e. .
Properties of regression coefficient-statistics?
8.7.4 Properties of Regression Coefficients:(a) Correlation coefficient is the geometric mean between the regression coefficients. (b) If one of the regression coefficients is greater than unity, the other must be less than unity.(c) Arithmetic mean of the regression coefficients is greater than the correlation coefficient r, providedr > 0.(d) Regression coefficients are independent of the changes of origin but not of scale.
