correlation of coefficient r between X and Y is given by
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Complete correlation between two variables is expressed by either + 1 or -1. ... The calculation of the correlation coefficient is as follows, with x representing the ... For the numerator multiply each value of x by the corresponding value of y, add these ... If we wish to label the strength of the association, for absolute values of r, ...
Step-by-step explanation:
The correlation of X and Y is the normalized covariance: Corr(X,Y) = Cov(X,Y) / σXσY . The correlation of a pair of random variables is a dimensionless number, ranging between +1 and -1.
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The correlation coefficient between two variables X and Y is found to be 0.6. All the observations on X and Y are transformed using the transformations U=2−3X and V=4Y+1. The correlation coefficient between the transformed variables U and V will be:
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