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Confidence Interval Calculator

Calculate confidence intervals for population means using Z or T distributions

If the population standard deviation is known, use Z-test. Otherwise, T-test will be used with sample standard deviation.

Specify which columns to analyze. If empty, all numeric columns will be automatically detected and analyzed.

Treat first row as column headers

API Documentation

Request Endpoint

POST /en/api/tools/confidence-interval

Request Parameters

Parameter Name Type Required Description
csvData textarea Yes -
confidenceLevel select Yes -
knownStdDev text No If the population standard deviation is known, use Z-test. Otherwise, T-test will be used with sample standard deviation.
selectedColumns text No Specify which columns to analyze. If empty, all numeric columns will be automatically detected and analyzed.
hasHeader checkbox No Treat first row as column headers
outputFormat select Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-confidence-interval": {
      "name": "confidence-interval",
      "description": "Calculate confidence intervals for population means using Z or T distributions",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=confidence-interval",
      "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]