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σ

Standaarddeviatie Berekenen — Gratis online tool

sigma, variantie, gemiddelde, mediaan

Bereken standaarddeviatie, variantie, gemiddelde, mediaan en bereik. Voor populatie of steekproef. Plak je gegevensreeks. Gratis.

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Meer weten

Standard deviation calculator

Calculate σ, variance, mean, median, mode, range for any dataset.

How to use this tool

  1. 1

    Paste numbers

    Separate with commas, spaces, or new lines.

  2. 2

    Pick dataset type

    Population (entire set) or sample (n-1 denominator).

  3. 3

    See full stats

    Mean, median, mode, variance, σ, range, min, max.

Frequently Asked Questions

Population vs sample σ
Population divides by n. Sample divides by n-1 (Bessel correction) to account for estimation error.
What σ tells you
Standard deviation measures spread. 68% of values fall within ±1σ of the mean. 95% within ±2σ. 99.7% within ±3σ.

Belangrijkste punten

  • Standard Deviation Rekenmachine is a free, browser-based calculator tool — sigma, variance, mean, median for any dataset.
  • Nee signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Standard Deviation Rekenmachine

  1. Open the tool: Launch Standard Deviation Rekenmachine on Toololis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Standard Deviation Rekenmachine — Quick Facts

Prijs
Gratis — geen limieten, geen watermerk, geen paywall
Privacy
100% in de browser — geen data verlaat je apparaat
Platform
Elke moderne browser — desktop, tablet of mobiel
Categorie
Rekenmachine Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
FunctieDetails
ToolStandard Deviation Rekenmachine
CategorieRekenmachine
Aanmelden vereistNee
Bestand uploadenGeen — verwerkt in browser
Mobiel ondersteundVolledig responsive
KostenVoor altijd gratis

Why Use Standard Deviation Rekenmachine?

You should try Standard Deviation Rekenmachine for a quick, private way to sigma, variance, mean, median for any dataset. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacy. Deze tool draait volledig in je browser. Je gegevens worden nooit naar een server geüpload.