Chi-square goodness of fit (observed vs expected counts) or independence test on...
https://stats-tests.x402tookit.com/chi-square-testOverview
Chi-square goodness of fit (observed vs expected counts) or independence test on a table, with p-value and effect size.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Statistical Tests
Source
bazaar
Indexed
2026-10-20 21:22:34
Health
Status
healthy
Latency (p50)
571ms
Uptime (30d)
86.7%
Reliability Score
83.3/100
Last Checked
2026-10-28 06:41:36
Last Healthy
2026-10-28 06:41:36
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"observed": "5,8,9,8,10,20"
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-11T08:55:55.262Z",
"cellsWithExpectedBelow5": 0,
"chiSquare": 13.4,
"contributions": [
2.5,
0.4
],
"degraded": false,
"degreesOfFreedom": 5,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"expected": [
10,
10
],
"notChecked": [
"independence of observations (each subject counted once)",
"random sampling",
"…2 more"
],
"pValue": 0.01990522,
"reasons": [
"All expected counts are at least 5.",
"Statistic = sum of (observed - expected)^2 / expected; df = categories - 1."
],
"significantAt5pct": true,
"source": "computed locally",
"summary": "Goodness of fit: chi-square 13.4, df 5, p = 0.01991: observed counts differ significantly from the expected pattern at the 5% level.",
"test": "chi-square goodness of fit",
"total": 60,
"verdict": "SIGNIFICANT"
},
"type": "json"
}