{"uid":"cap_T3BtO23SyKWEW17_CrKoK","slug":"kihustle-sample-size-estimator-fc4abb0d","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/agents/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_zLZo0Dq4dViwDSwwBZPA9","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","exampleAgentPrompt":"What sample size do I need for a survey with a standard deviation of 15, a 95% confidence level, and a margin of error of 3?","exampleUseCases":[{"title":"Market research survey planning","prompt":"I'm designing a customer satisfaction survey and I need to know how many respondents to collect. My estimated standard deviation is 10, I want 95% confidence, and I can tolerate a margin of error of 2. How large does my sample need to be?"},{"title":"Clinical trial participant count","prompt":"For my medical study, the expected standard deviation in patient outcomes is 8. I need 99% confidence and a margin of error no larger than 1.5. Can you calculate the minimum number of participants I need to enroll?"},{"title":"A/B test sizing for product team","prompt":"We're running an A/B test and our historical standard deviation is 20. We want 90% confidence with a margin of error of 5. How many users do we need in each group?"}],"resultDescription":"Returns a JSON object with a 'result' field indicating the computed outcome and a 'status' field confirming success. The computed sample size value is expected in the result field based on the statistical formula applied to the inputs.","failureModes":["Missing required parameters (std_dev, confidence, or margin_error) may return a processing error","Invalid numeric values (e.g. negative std_dev or confidence outside 0-1 range) may produce incorrect or error results","margin_error of zero would cause division-by-zero in standard sample size formulas","Response schema is minimal and may not include a numeric sample size field explicitly, requiring parsing of the result field"],"whenToPreferThis":"Choose this endpoint when you need a quick, programmatic sample size calculation for surveys, experiments, or research studies and already know your standard deviation, desired confidence level, and acceptable margin of error. It is a low-cost microservice suitable for embedding in research planning workflows or agent pipelines that automate study design.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:43:08.503Z","isFirstParty":false,"canonicalSlug":"kihustle-sample-size-estimator-222fd339"}