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Keyboard: Enter calculate, C copy, L link, S sample.
Tip: Paste a contingency table or observed vs expected as CSV. The parser will detect it.
Z test, T test and Chi square in one clean tool. Choose your test, enter your data and get a clear decision with steps, effect sizes and a quick power check. Everything runs locally in your browser.
Keyboard: Enter calculate, C copy, L link, S sample.
Tip: Paste a contingency table or observed vs expected as CSV. The parser will detect it.
Auto detect works for most short notations. For chi independence you can paste a matrix row by row separated by new lines or pipes.
See Hypothesis Testing Calculator Guide on SnipText Blog Page here.
Compute confidence intervals for means and proportions in seconds. Auto z or t for one-sample means, Wilson or Agresti-Coull for proportions, Welch or pooled for two means, and Newcombe or Wald for two proportions. Paste raw data to bootstrap, plan sample size for a target margin, preview a mini chart, then copy results, download CSV, or share a tiny link. Private in your browser.
Open →Build randomized question sets for research with seed control, block and tag stratification, anchors, adjacency guards, exclusion rules, and no-repeat memory per project. Import or paste questions, preview balanced sets, run quick simulations for fairness, then export to CSV or copy a shareable link. Private in your browser.
Open →Academic style conversions for physics and chemistry. Convert length, mass, time, temperature, pressure, energy, power, speed, area, volume, force, frequency, and molarity with precision and scientific notation. Private and instant.
Open →Paste or upload CSV to generate clean, responsive HTML table code with auto-detect delimiter, header toggle, sort, filter, paginate, transpose, sticky header, and one-click copy or download. Private, in-browser.
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