Variance Command
From GeoGebra Manual
- Variance[ <List of Raw Data> ]
- Calculates the variance of list elements.
- Example:
Variance[{1, 2, 3}]yields 0.67.
- Variance[ <List of Numbers>, <List of Frequencies> ]
- Calculates the variance of list elements, considering the frequencies.
- Example:
Variance[{1, 2, 3} , {1, 2, 1}]yields 0.5.
CAS Syntax
- Variance[ <List of Numbers> ]
- Calculates the variance of list elements. If the list contains undefined variables, it yields a formula for the variance.
- Examples:
Variance[{1, 2, a}]yields \frac{2}{9} a^{2} - \frac{2}{3} a + \frac{2}{3}.
