variance

Gives the mean of squared deviation of numbers from its mean. 🏃 📼 📦 🌔 📒

Similar: mean, median, modes, variance, range.

math.variance(...n);
// n: a list of numbers

const math = require('extra-math');

math.variance(1, 2);
// 0.25

math.variance(1, 2, 3);
// 0.6666666666666666

math.variance(1, 2, 3, 4);
// 1.25

references

• Variance