curvilinear correlation

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Related to curvilinear correlation: direct correlation
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Noun1.curvilinear correlation - any correlation in which the rates of change of the variables is not constant
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
correlational statistics, correlation - a statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other
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References in periodicals archive ?
If both variables change at the same ratio, then it known as the linear correlation and when both variables do not change in the form of same ratio, is the curvilinear correlation. For example if the sale and expenditure were in the same direction then it is called linear correlation.