KARL PEARSON COEFFICIENT OF CORRELATION

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On the other hand, I do believe that the issues discussed by such founders of statistics as Francis Galton, Karl Pearson, Udny Yule, R. A. Fisher, and Sewall Wright (whose statistical work has been somewhat neglected) are still .... They are often known as the Pearson product-moment coefficients. (Other formulae, such as the intraclass correlation coefficient, the tetrachoric correlation coefficient, or rank order correlations, may be used for certain special purposes. ...
He was the first person to attempt to apply the scientific method to psychological phenomena. In the process of his investigations, he created the concept of “correlation.” Galton's protégé and statistical “heir” was Karl Pearson. ... He established a good many of the basic statistical techniques still in use today, including the correlation coefficient (r), Chi-square tests, the notion of p values, the use of the normal distribution for modeling data, the method of ...
Sensitivity 89.5%, specificity 90.6% Concordance of 89%, coefficient of correlation r is equal to 0.97 (Karl Pearson's) and rho is equal to 0.86 (Spearman's), was found between OD value of OF and serum. The study emphasizes the ...

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