Sxy Command
From GeoGebra Manual
- Sxy[List of Numbers, List of Numbers]
- Calculates the statistic Σ(xy) - Σ(x) * Σ(y)/n.
- Sxy[List of Points]
- Calculates the statistic Σ(xy) - Σ(x) * Σ(y)/n using the x- and y-coordinates of the given points.
