Sample size for a mean

Fragmentos de código

curl "https://api.oanor.com/samplesize-api/v1/mean" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/samplesize-api/v1/mean", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/samplesize-api/v1/mean");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/samplesize-api/v1/mean",
    headers={"x-oanor-key": "oanor_test_..."}
)

Respuesta de ejemplo

Una respuesta real de este endpoint, capturada en la última comprobación de estado.

{
    "data": {
        "note": "Mean sample size n = (z·σ/E)². Uses the normal (z) approximation, appropriate when σ is known or the sample is large.",
        "inputs": {
            "std_dev": 10,
            "confidence": 0.95,
            "margin_of_error": 2
        },
        "z_score": 1.959964,
        "unrounded": 96.0365,
        "required_sample_size": 97
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:22.286Z",
        "request_id": "d4f5e832-2573-4472-9baf-59b0883ed40b"
    },
    "status": "ok",
    "message": "Sample size for a mean",
    "success": true
}