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
https://datatab.net/statistics-calculator/correlation/point-biserial-correlation-calculator
► Sample data
https://datatab.net/statistics-calculator/correlation/point-biserial-correlation-calculator?example=point-biserial-correlation
► Tutorial Point-Biserial Correlation
https://datatab.net/tutorial/point-biserial-correlation
► E-BOOK
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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