Sxy Command
From GeoGebra Manual
- Sxy[ <List of Points> ]
- Calculates the statistic \sum xy - \frac{(\sum x) (\sum y)}{n} using the coordinates of the given points.
- Sxy[ <List of Numbers>, <List of Numbers> ]
- Calculates the statistic \sum xy - \frac{(\sum x) (\sum y)}{n}, where x are the values in the first list, and y are the values in the second given list.
