In an interview, Peto argued that the cancer death issue is not statistically valid.

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The summative test therefore has to be a certain length so that it can collect such statistically valid information.

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Patients who go on the drug had 40% fewer heart problems, though the trial was far too small to make that result statistically valid.

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They created a statistically valid model that helped them build a company-wide dashboard which flashes green, yellow, or red when any of these factors changes.

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This means attempting to identify every relevant trial of a given question (including studies that have never been published), choosing the best ones using clearly defined criteria for quality, and combining the results in a statistically valid way.

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The Office of Inspector General's report was based on medical records from 190 patient visits to nursing homes in 42 states that lasted at least three weeks, which investigators said gave them a statistically valid sample of Medicare beneficiaries' experiences in skilled nursing facilities.

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While Hay's sales materials claim that the LSI is "statistically reliable and valid, " psychometricians beg to differ.

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