Math & Numbers
Run chi-square goodness-of-fit or independence tests from observed counts or contingency tables
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/chi-square-test-calculator' \
-H 'Content-Type: application/json' \
-d '{"testType":"goodness-of-fit","observedCounts":"18, 22, 20, 16, 24","expectedCounts":"20, 20, 20, 20, 20","contingencyTable":"30, 20\n15, 35","alpha":0.05,"decimalPlaces":4}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/chi-square-test-calculator| Name | Type | Required | Description |
|---|---|---|---|
| testType | select | No | — |
| observedCounts | textarea | No | — |
| expectedCounts | textarea | No | — |
| contingencyTable | textarea | No | — |
| alpha | number | No | — |
| decimalPlaces |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-chi-square-test-calculator": {
"name": "chi-square-test-calculator",
"description": "Run chi-square goodness-of-fit or independence tests from observed counts or contingency tables",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=chi-square-test-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "chi-square-test-calculator",
"arguments": {
"testType": "goodness-of-fit",
"observedCounts": "18, 22, 20, 16, 24",
"expectedCounts": "20, 20, 20, 20, 20",
"contingencyTable": "30, 20\n15, 35",
"alpha": 0.05,
"decimalPlaces": 4
}
}
}Questions or issues? Contact [email protected]
| number |
| No |
| — |
JSON result
{
"key": {...},
"metadata": {
"key": "value"
},
"error": "Error message (optional)",
"message": "Notification message (optional)"
}