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Statistics Calculator — Mean, Median, Std Dev, Quartiles

Compute basic and descriptive statistics from a list of numbers: mean, median, mode, range, sample variance, std dev, Q1, Q3, IQR.

Count (n)

9

Sum

207

Mean

23

Median

22

Mode

22

Range

23

Min

12

Max

35

Variance (s²)

54.25

Std Dev (s)

7.3655

Q1 (25%)

18

Q3 (75%)

28

IQR

10

Variance and std dev use the sample formula (divides by n-1).

About this tool

Descriptive stats in one shot

Paste your numbers (any separator works). We compute every common statistic: count, sum, mean, median, mode, range, min, max, sample variance, sample standard deviation, quartiles and interquartile range.

How to use the Statistics Calculator

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Statistics Calculator above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Statistics Calculator.

Is the Statistics Calculator free to use?

Yes. The Statistics Calculatoron 7BusyBoss is completely free — no signup, no paywall, no usage cap. We do recommend paid alternatives in a sidebar card, but the core tool stays free.

Do I need to sign up to use the Statistics Calculator?

No. The Statistics Calculatorworks instantly in your browser — no account needed. Signing in with Google is optional and only unlocks features like saving favorites and higher AI build limits.

Does the Statistics Calculator work on mobile?

Yes. Every tool on 7BusyBoss is mobile-responsive and works in any modern browser — Chrome, Safari, Firefox, Edge — on phones, tablets and desktops.

Is my data safe when I use the Statistics Calculator?

Yes. The Statistics Calculatorruns entirely in your browser — your inputs never leave your device unless the tool explicitly fetches public data (e.g. currency rates). We don't store the values you type.

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