T-test from raw samples
T-test from raw samples - Welch two-sample or one-sample, t, degrees of freedom, p-value, confidence interval, Cohen d and a significance verdict
Answeringour last check, 2026-10-20
1 of 1checks answered this week
278 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/stats/t-test
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-20 | valid payment request | 402 | $0.01 | 278 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"a": "5.1,4.9,5.6,5.8,6.0,5.5",
"b": "4.2,4.8,4.5,4.9,5.0,4.4"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"a": {
"description": "Comma-separated sample, 2-500 numbers",
"type": "string"
},
"b": {
"description": "optional second sample for a Welch two-sample test",
"type": "string"
}
},
"required": [
"a"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alpha": {
"description": "Significance threshold",
"type": [
"number",
"null"
]
},
"cohens_d": {
"description": "Cohens d",
"type": [
"number",
"null"
]
},
"confidence": {
"description": "Confidence level in percent",
"type": "number"
},
"df": {
"description": "Degrees of freedom",
"type": "number"
},
"difference": {
"description": "Difference between the means, or mean minus the hypothesised value",
"type": "number"
},
"effect_size_label": {
"description": "Effect size label",
"type": "string"
},
"interval": {
"description": "Interval between data points",
"type": "array"
},
"mean_a": {
"description": "Mean a",
"type": [
"number",
"null"
]
},
"mean_b": {
"description": "Mean b",
"type": [
"number",
"null"
]
},
"n_a": {
"description": "Number of a",
"type": [
"number",
"null"
]
},
"n_b": {
"description": "Number of b",
"type": [
"number",
"null"
]
},
"p_value": {
"description": "P value",
"type": "number"
},
"sd_a": {
"description": "Sd a",
"type": [
"number",
"null"
]
},
"sd_b": {
"description": "Sd b",
"type": [
"number",
"null"
]
},
"significant": {
"description": "True when the p-value is below alpha",
"type": "boolean"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"t": {
"description": "Title of the guide",
"type": "number"
},
"test": {
"description": "Test performed",
"type": "string"
}
},
"required": [
"test",
"t",
"p_value"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}