Statistics Calculator

Free statistics calculator for a data set. Get mean, median, mode, range, variance, and standard deviation (sample or population) with steps and examples.

• Accepted formats: 1, 3, 7, 4, 9, 8
• Decimals and negatives are supported.

Enter a list of numbers to instantly calculate mean, median, mode, range, variance, and standard deviation.

• 1. Paste your data set (comma or P(6,3)).
• 2. Click "Solve"
• 3. Review the step-by-step explanation

10, 2, 38, 23, 38, 23, 21, 23

-1.5, 0, 2.5, 2.5, 10

2, 2, 3, 5, 8

P(6,3)

Mean (average): sum ÷ count

Median: middle value after sorting (average of two middle values if even count)

Mode: most frequent value(s)

Range: max − min

Variance: average squared distance from the mean

Standard deviation: the square root of variance

Order Calculator

Probability Calculator