Mean, Median & Mode

Full statistics — range, variance and standard deviation

Numbers

Separate with commas or spaces.

Mean

Median

Mode

Range

Count

Sum

Variance

Std dev

Error
Free Online Tool

Mean, Median & Mode — Complete Guide & Instructions

MakeCard Mean, Median & Mode calculator delivers the full descriptive-statistics summary from a simple list of numbers. Paste comma- or space-separated values and it returns eight measures at once: mean, median, mode, range, count, sum, population variance, and standard deviation. Built for students, teachers, analysts, and anyone who needs quick stats without opening a spreadsheet.

How to Use Mean, Median & Mode

  1. 1 Type or paste numbers into the input box, separated by commas or spaces (e.g. 12, 15, 12, 18, 20).
  2. 2 Click "Calculate".
  3. 3 Read the top row — Mean, Median, Mode, and Range.
  4. 4 Check the second row for Count, Sum, Variance, and Standard Deviation.

Key Features & Capabilities

  • Eight statistics in one pass — mean, median, mode, range, count, sum, variance, standard deviation.
  • Flexible input — commas, spaces, or mixed separators all work.
  • Multi-mode detection — lists every mode, or reports "No mode".
  • Correct median handling for both odd and even counts.
  • Population variance and standard deviation (divided by n).
  • Results to 4 decimal places where needed.

Supported Formats & Specifications

Parameter Specification
Input Two or more numbers, comma or space separated
Central Tendency Mean, median, mode (multi-mode aware)
Spread Range, population variance (÷n), standard deviation
Totals Count and sum
Precision Mean, variance, SD to 4 decimals

Practical Everyday Use Cases

  • Checking statistics homework — mean, median, and mode in one shot.
  • Summarizing survey or test-score data quickly.
  • Computing variance and SD for a quality-control sample.
  • Analyzing a small dataset before charting it.
  • Verifying figures quoted in a report.

Pro Tips for Best Results

  • This tool computes population variance (÷n); for sample variance multiply the result by n/(n-1).
  • A dataset can have several modes — the tool lists all of them; identical-frequency data shows "No mode".
  • Median is more robust than mean when your data has outliers.
  • Paste directly from Excel or CSV — commas and whitespace are handled.

Common Problems & Solutions

The parser needs two or more numeric values — remove stray text or symbols from the input.

Every value appears the same number of times, so no mode exists — this is a valid result, not an error.

This is population variance (÷n). For the sample formula, multiply by n/(n-1) or compute it separately.

Privacy & Security

100% Client-Side Execution

The numbers you enter are processed only in your browser — nothing is sent to or stored on a server.

No server uploads No data logging Safe for personal documents
FAQ Section

Frequently Asked Questions

Everything you need to know about using Mean, Median & Mode

Paste your numbers into this calculator separated by commas or spaces and press Calculate — all three, plus range, variance, and standard deviation, appear instantly.

Mean is the arithmetic average (sum ÷ count). Median is the middle value after sorting — for even counts, the average of the two middle values. Median resists outliers better.

Yes — if two or more values share the highest frequency, all of them are modes. If every value occurs equally often, there is no mode.

Population — the variance is divided by n. For sample SD, divide by n-1 instead: multiply the shown variance by n/(n-1) and take its square root.

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