Sample Size Calculator

Sample Size Calculator is a free, multilingual web-based utility that helps researchers and businesses determine the required number of survey responses or A/B test participants for statistically significant results. The platform allows users to input parameters such as confidence level, margin of error, population size, and expected response rate to calculate optimal sample sizes. Developed by SurveyLegend, it serves as a standalone analytical tool for market research and experimental design.

LLM mention score

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count.

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How to get LLM mention data →

// Fetch Sample Size Calculator mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "Sample Size Calculator",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]