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Descriptive statistics

Enter your numbers — the results update instantly.

Count6
Sum108
Mean18
Median15.5
Mode—
Minimum4
Maximum42
Range38
Standard deviation (sample)13.49
Standard deviation (population)12.32
Variance (sample)182
Standard error5.51
Quartiles Q1 · Q39.75 · 21.25

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Worked example

Given: Numbers (space or comma separated) = 4 8 15 16 23 42

Result: Count = 6; Sum = 108; Mean = 18; Median = 15.5; Mode = —; Minimum = 4; Maximum = 42; Range = 38; Standard deviation (sample) = 13.49; Standard deviation (population) = 12.32; Variance (sample) = 182; Standard error = 5.51; Quartiles Q1 · Q3 = 9.75 · 21.25

How it is calculated

1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.

Frequently asked questions

How do I calculate it?

Given: Numbers (space or comma separated) = 4 8 15 16 23 42. Result: Count = 6; Sum = 108; Mean = 18; Median = 15.5; Mode = —; Minimum = 4; Maximum = 42; Range = 38; Standard deviation (sample) = 13.49; Standard deviation (population) = 12.32; Variance (sample) = 182; Standard error = 5.51; Quartiles Q1 · Q3 = 9.75 · 21.25.

Is the calculator free and private?

Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.

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Updated November 9, 2026