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Learn the meaning of deviation as an act or instance of deviating, such as a departure from a norm, a standard, or a course. See synonyms, examples, word history, and related phrases of deviation.
Learn how deviation measures the disparity between observed and reference values in statistics. Explore different types, summary statistics, and applications of deviation in data analysis.
DEVIATION definition: 1. the action of being or doing something that is different from the usual or common way of…. Learn more.
noun. an act or result of deviating. statistics the difference between an observed value in a series of such values and their arithmetic mean. the error of a compass due to local magnetic disturbances.
Standard deviation may be abbreviated SD, and is most commonly represented in mathematical texts and equations by the lowercase Greek letter σ (sigma), for the population standard deviation, or the Latin letter s, for the sample standard deviation.
Anything that varies from the accepted norm or standard is called a deviation. It is common in math and science, but it can refer to anything that differs from the expected. Deviation in nature is an important part of evolution.
The Standard Deviation is a measure of how spread out numbers are. Its symbol is σ (the greek letter sigma) The formula is easy: it is the square root of the Variance.