Docswala

Statistics & Standard Deviation Calculator

Calculate mean, median, mode, sample & population standard deviation (s, σ), variance, and quartiles.

Statistics & Standard Deviation Calculator

Compute mean, median, mode, sample & population standard deviation (s, σ), variance, and quartiles.

Sample Datasets:
Mean (Average μ / x̄)

40.3

Sum: 403 (n = 10)
Median

38

Middle value (50th percentile)
Sample Std Dev (s)

22.0608

Variance s²: 486.6778
Population Std Dev (σ)

20.9287

Variance σ²: 438.01
Distribution & Range:
Minimum (Min):12
Maximum (Max):78
Range (Max - Min):66
Mode:No repeating mode
Geometric Mean:34.3694
Quartiles & Percentiles:
First Quartile (Q1 - 25%):23
Median (Q2 - 50%):38
Third Quartile (Q3 - 75%):58
Interquartile Range (IQR):35

How to Use the Statistics & Standard Deviation Calculator

1

Select or upload your input data/files into the Statistics & Standard Deviation Calculator interface above.

2

Adjust any custom options, compression levels, or settings to your preference.

3

Preview the real-time calculations or generated output immediately.

4

Download your converted file or copy the processed result with one click.

Key Capabilities & Features

  • •100% Client-Side Privacy: Processed directly on your device inside your browser.
  • •Zero Account Needed: Free to use without signing in or email registration.
  • •High Performance & Lossless: Optimized for instant, precise transformations.
  • •Universal Compatibility: Works seamlessly across desktop, tablet, and mobile browsers.

100% In-Browser Privacy Guarantee

Your files and data remain strictly on your device. All computations, image processing, and PDF manipulations happen locally in your web browser via WebAssembly and HTML5 APIs. No files are uploaded or stored on any remote servers.

Read our privacy architecture

Related Math & Conversions Tools

View all Math & Conversions tools →

Unit Converter

Convert length, weight, temperature, speed, data and 13+ math & physical units.

Number Base Converter

Convert numbers between Decimal, Binary, Hexadecimal, Octal and any Custom Base (2-36).

Percentage Calculator

Calculate percent of values, percentage increases/decreases, and sales discounts.

Date & Age Calculator

Calculate exact chronological age, business working days, and date differences.