Notera

Statistics Playground

HS + College
Enter some numbers and click Compute

Formula

σ=1N∑i=1N(xi−μ)2\sigma = \sqrt{\frac{1}{N}\sum_{i=1}^{N}(x_i - \mu)^2}

About

Enter a dataset or generate sample data, and instantly see descriptive statistics: mean, median, mode, standard deviation, quartiles, and IQR — along with a histogram with mean and median markers.

Controls

Sample datasets: