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KiHustle Sample Size Estimator
x402
KiHustle Sample Size Estimator is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-13).
Calculates the required statistical sample size given standard deviation, confidence level, and margin of error inputs
Price / call$0.002
Success—
StatusUnknown
How this service works
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Output
Returns a JSON object with a computed sample size result and a success status indicator, confirming the calculation was processed successfully.
Example use cases
Survey sample planning for market research
“I'm running a customer satisfaction survey and my pilot data shows a standard deviation of 12. I need 95% confidence with a margin of error of 5 — how many people do I need to survey?”
A/B test sizing for conversion experiment
“I'm designing an A/B test with an estimated standard deviation of 0.08, I want 99% confidence, and my acceptable margin of error is 0.02. What's the minimum sample size I need?”
Academic study sample size validation
“For my research study, the expected standard deviation is 25, I need 90% confidence, and my margin of error can be up to 4. Can you calculate the required sample size for me?”
Technical details
Endpoint
POSThttps://kihustle.tech/nexus/api/v1/sample-size-estimator?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, inexpensive ($0.002 per call) programmatic sample size calculation without setting up a local statistics library. Useful in automated research pipelines, survey design agents, or educational tools that need on-demand statistical computation via API.
Side effects
- Missing required parameters (std_dev, confidence, or margin_error) may result in an error or undefined behavior
- Invalid numeric values (e.g. confidence > 1 or negative std_dev) may cause computation failures
- margin_error of zero would cause division-by-zero errors
- Network or payment authorization failures due to x402 protocol issues
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| std_dev | number | |
| confidence | number | |
| margin_error | number |
Output
Schema · Response
{
"type": "json",
"example": {
"result": "processed",
"status": "success"
}
}Tags
x402
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