standard deviation (SD) the dispersion of a random variable; a measure of the amount by which each value deviates from the mean. It is equal to the square root of the variance.

Jul 20, 2025 · In medical terms, deviation refers to a departure from the normal state or an alteration of a course or direction. It is a fundamental concept used to identify conditions, …

In the pharmaceutical industry, a deviation refers to any departure from an approved instruction, procedure, established standard, or specification. A nonconformance, on the other hand, is …

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(in ophthalmology) any abnormal position of one or both eyes. For example, if the eyes are both looking to one side when the head is facing forwards, they are said to be deviated to that side. …

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Jun 19, 2024 · Deviations, nonconformities, errors, findings, observations, and other terms are often used mistakenly synonymously. Even standards explicitly contradict each other when …

Two critical concepts that often arise in this context are Out-of-Specification (OOS) events and Deviations. While both indicate potential quality or compliance concerns, they differ …

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean. Low, or small, standard deviation indicates data are clustered tightly around the mean, and …