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σ

Standardabweichung-Rechner — Kostenloses Online-Tool

σ, Varianz, Mittelwert, Median für jeden Datensatz

Berechne Standardabweichung, Varianz, Mittelwert, Median, Spannweite. Grundgesamtheit oder Stichprobe. Füge beliebige Zahlenreihen ein.

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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.

Wichtigste Punkte

  • Standard Deviation Rechner is a free, browser-based calculator tool — sigma, variance, mean, median for any dataset.
  • Nein 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 Rechner

  1. Open the tool: Launch Standard Deviation Rechner 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 Rechner — Quick Facts

Preis
Kostenlos — keine Limits, kein Wasserzeichen, keine Paywall
Privatsphäre
100% browser-basiert — keine Daten verlassen dein Gerät
Plattform
Jeder moderne Browser — Desktop, Tablet, Mobil
Kategorie
Rechner Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
MerkmalDetails
ToolStandard Deviation Rechner
KategorieRechner
Anmeldung nötigNein
Datei-UploadKeine — wird im Browser verarbeitet
Mobile-UnterstützungVoll responsive
KostenFür immer kostenlos

Why Use Standard Deviation Rechner?

You should try Standard Deviation Rechner 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% Privatsphäre. Dieses Tool läuft komplett in deinem Browser. Deine Daten werden niemals auf einen Server hochgeladen.