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DEVIATION definition: 1. the action of being or doing something that is different from the usual or common way of…. Learn more.
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.
The meaning of DEVIATION is an act or instance of deviating. How to use deviation in a sentence.
In statistics, deviation is the difference between the value of one number in a series of numbers and the average value of all the numbers in the series. A 10 to 15 percent deviation is considered acceptable.
The standard deviation (SD) is a single number that summarizes the variability in a dataset. It represents the typical distance between each data point and the mean. Smaller values indicate that the data points cluster closer to the mean—the values in the dataset are relatively consistent.
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.
Definition of deviation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Illustrated definition of Deviation: In general: how far from the normal In statistics: the difference between a single value and the mean of all...
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. deviation. / dē′vē-ā ′ shən /. The difference between one number in a set and the mean of the set.
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.
