Uploaded April 2023 | Updated September 2026, 5 hours ago

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The point biserial correlation is a special case of the Pearson correlation and examines the relationship between a dichotomous variable and a metric variable.

► Online calculator Point-Biserial Correlation
numiqo.com/statistics-calculator/correlation/point-biserial-correlation-calculator

► Sample data
numiqo.com/statistics-calculator/correlation/point-biserial-correlation-calculator?example=point-biserial-correlation

► Tutorial Point-Biserial Correlation
numiqo.com/tutorial/point-biserial-correlation

► E-BOOK
numiqo.com/statistics-book

00:00 What is a point biserial correlation?
00:17 Dichotomous and metric variable.
00:53 Calculating point biserial correlation
01:55 Point biserial correlation equation
02:15 Point biserial correlation vs. Pearson correlation
03:06 Point biserial correlation coefficient
03:58 Hypotheses
04:32 Point biserial correlation vs. independent sample t-test
05:41 Point biserial correlation assumptions