Tag: continuous variable

November 4, 2025 / Mohammed looti

POINT BISERIAL CORRELATION

Definition and Fundamental Characteristics The Point Biserial Correlation Coefficient, often denoted as $r_{pb}$, is a specialized measure of association used specifically when analyzing the relationship between two random variables where one is strictly dichotomous and the other is measured on a continuous scale. This technique is indispensable across various fields, particularly in psychological measurement, experimental […]

October 4, 2025 / Mohammed looti

BISERIAL CORRELATION

Biserial Correlation Introduction to Biserial Correlation In the expansive field of statistics, understanding the relationships between different variables is fundamental to drawing meaningful conclusions from data. Correlation serves as a powerful statistical measure designed to quantify the strength and direction of a linear relationship between two variables. While the most widely recognized form, the Pearson […]