Mode Calculator

Find the most frequent value or values in a dataset and inspect the supporting frequency distribution

Example Results

1 examples

Find the most frequent value

Count the frequency of each value and identify the highest-frequency group.

{
  "result": {
    "modes": [
      3
    ]
  }
}
View input parameters
{ "dataset": "1, 2, 2, 3, 3, 3, 4", "decimalPlaces": 2, "includeFrequencyTable": true }

Key Facts

Category
Math, Date & Finance
Input Types
textarea, number, checkbox
Output Type
json
Sample Coverage
4
API Ready
Yes

Overview

The Mode Calculator is a straightforward statistical utility designed to identify the most frequently occurring value or values within any given dataset. By simply pasting your numbers, you can instantly determine the mode and optionally generate a detailed frequency table to analyze the exact distribution of your data.

When to Use

  • When you need to find the most common response in survey results or categorical data.
  • When analyzing sales or inventory data to identify the most popular product quantity or price point.
  • When studying statistical distributions and needing to quickly verify the mode alongside a complete frequency table.

How It Works

  • Paste or type your comma-separated numbers into the dataset input field.
  • Adjust the decimal places setting if your dataset includes fractional numbers that require precise rounding.
  • Check the 'Include Frequency Table' option to see exactly how many times each unique value appears.
  • View the generated JSON output to find the calculated mode(s) and the supporting frequency distribution.

Use Cases

Market researchers analyzing customer feedback to find the most common rating score.
Teachers determining the most frequent test score in a classroom to gauge general student performance.
Quality control inspectors identifying the most frequently occurring measurement in a batch of manufactured parts.

Examples

1. Analyzing Customer Ratings

Market Researcher
Background
A researcher has collected hundreds of 1-to-5 star ratings from a recent customer satisfaction survey.
Problem
Needs to quickly find the most common rating given by customers and see the distribution of all ratings.
How to Use
Paste the survey scores into the Dataset field and enable the Include Frequency Table option.
Example Config
dataset: 4, 5, 4, 3, 5, 5, 2, 5, 4, 5
includeFrequencyTable: true
Outcome
The calculator identifies '5' as the mode and provides a table showing exactly how many times each rating was submitted.

2. Finding the Most Common Measurement

Quality Control Inspector
Background
An inspector measures the thickness of manufactured parts and records the data with decimals.
Problem
Needs to find the most frequent thickness measurement, rounded to two decimal places.
How to Use
Enter the measurements into the Dataset field, set Decimal Places to 2, and run the calculation.
Example Config
dataset: 2.145, 2.151, 2.145, 2.160, 2.145
decimalPlaces: 2
includeFrequencyTable: false
Outcome
The tool processes the inputs according to the decimal setting and returns '2.15' as the mode.

Try with Samples

math-&-numbers

Related Hubs

FAQ

What happens if there are multiple modes in my dataset?

The calculator will return all values that share the highest frequency, which is known as a multimodal distribution.

Can I process decimal numbers?

Yes, you can input decimal numbers and configure the 'Decimal Places' setting to round the results up to 10 decimal places.

What is the frequency table?

The frequency table is an optional output that lists every unique value in your dataset alongside the exact number of times it appears.

How should I format my dataset?

Enter your numbers separated by commas. For example: 1, 2, 2, 3, 4.

What if no number repeats in my dataset?

If every value appears exactly once, the dataset has no mode, and the calculator will return an empty result for the mode.

API Documentation

Request Endpoint

POST /en/api/tools/mode-calculator

Request Parameters

Parameter Name Type Required Description
dataset textarea Yes -
decimalPlaces number No -
includeFrequencyTable checkbox No -

Response Format

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
JSON Data: JSON Data

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-mode-calculator": {
      "name": "mode-calculator",
      "description": "Find the most frequent value or values in a dataset and inspect the supporting frequency distribution",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=mode-calculator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]