{"uid":"cap_fWZ4A2AldARjkhIy26CGo","slug":"kihustle-sample-size-estimator-222fd339","name":"KiHustle Sample Size Estimator","description":"Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links.","url":"https://kihustle.tech/nexus/api/v1/sample-size-estimator?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"std_dev":{"type":"number"},"confidence":{"type":"number"},"margin_error":{"type":"number"}}},"responseSchema":{"type":"json","example":{"result":"processed","status":"success"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yuD1BLYQhSuAPrGPl83Y1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the required statistical sample size given standard deviation, confidence level, and margin of error inputs","exampleAgentPrompt":"How many survey respondents do I need if my data has a standard deviation of 15, I want 95% confidence, and I can tolerate a margin of error of 3?","exampleUseCases":[{"title":"Survey sample planning for market research","prompt":"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?"},{"title":"A/B test sizing for conversion experiment","prompt":"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?"},{"title":"Academic study sample size validation","prompt":"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?"}],"resultDescription":"Returns a JSON object with a computed sample size result and a success status indicator, confirming the calculation was processed successfully.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:48:08.737Z","isFirstParty":false,"canonicalSlug":"kihustle-sample-size-estimator-222fd339"}