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    "ISO 5725 repeatability: s from summarizeSample, CV = s/|x̄| when x̄ ≠ 0, r = 2.8·s.",
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      "title": "ISO 5725-1 — Accuracy (trueness and precision) of measurement methods and results",
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      "url": "https://www.bipm.org/en/publications/guides/vim.html",
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