Statistics Calculator

Full descriptive statistics and a distribution chart for a data set.

Mean
18

6 values

Median
15.5
Mode
none
Std dev (sample)
13.490738
Std dev (pop.)
12.315302
Variance (sample)
182
Range
38
Minimum
4
Q1
9.75
Q3
21.25
IQR
11.5
Maximum
42
Sum
108
Show the working
  1. 1Count = 6, sum = 108
  2. 2Mean = sum ÷ count = 18
  3. 3Sample standard deviation = 13.490738
Formula
full descriptive summary

How it works

A complete descriptive summary of a data set — central tendency, spread and quartiles in one place.

Example

For 4, 8, 15, 16, 23, 42 the mean is 18 and the sample standard deviation is about 13.4.

About the Statistics Calculator

Full descriptive statistics and a distribution chart for a data set. It sits in the Statistics section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.

Frequently asked questions

Is the Statistics Calculator free to use?
Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
Does my data leave my device?
No. The Statistics Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
Can I use the Statistics Calculator on my phone?
Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
What else is in Statistics?
Mean, deviation, regression, probability and distributions. You can browse the full Statistics category for related calculators.

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