Statistics and analysis
Statistics and analysis：7 款免費工具。比較任務、閱讀說明並選擇工具。無需帳號。
Summarize numeric data and explore supported statistical calculations. Check that your dataset uses the expected format and that missing values are handled as intended. Review the method and assumptions before interpreting a summary.
選擇工具 7
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Descriptive statistics calculator
Report median, quantiles, spread and a histogram with conventions.
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Linear regression calculator
Fit paired data and show residuals and correlation.
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Confidence interval calculator
Estimate intervals with explicit distribution and sample assumptions.
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Sample size calculator
Plan estimation precision with explicit population and confidence inputs.
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Probability distribution explorer
Plot common distributions and selected tail probabilities.
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Outlier detector
Compare IQR and z-score flags without automatically deleting records.
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A/B test calculator
Compare two proportions with uncertainty and stated test assumptions.
Statistics and analysis