Calculates the variance of an array.
The array
const result = Chalkboard.stat.variance([2, 4, 4, 4, 5, 5, 7, 9]); // Returns 4 Copy
const result = Chalkboard.stat.variance([2, 4, 4, 4, 5, 5, 7, 9]); // Returns 4
Calculates the variance of an array.