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Deviation is the action of being or doing something different from the usual or common way, or the amount by which a measurement is different from a fixed number or amount. Learn more about the meaning, usage and examples of deviation in English and Business English.
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.
Plot of standard deviation of a random distribution. In mathematics and statistics, deviation serves as a measure to quantify the disparity between an observed value of a variable and another designated value, frequently the mean of that variable.
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.
Deviation definition: the act of deviating.. See examples of DEVIATION used in a sentence.
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.
Learn how to calculate and interpret the standard deviation and variance of a set of numbers. The standard deviation measures how spread out the numbers are from the mean, while the variance is the average of the squared differences from the mean.
