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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.
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.
noun. the act of deviating. departure from a standard or norm. Statistics. the difference between one of a set of values and some fixed value, usually the mean of the set. Navigation. the error of a magnetic compass, as that of a ship, on a given heading as a result of local magnetism. Compare variation ( def 8 ).
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.
The standard deviation is a measure of how close the numbers are to the mean. If the standard deviation is big, then the data is more "dispersed" or "diverse". As an example let's take two small sets of numbers: 4.9, 5.1, 6.2, 7.8 and 1.6, 3.9, 7.7, 10.8 The average (mean) of both these sets is 6.
DEVIATION meaning: 1 : an action, behavior, or condition that is different from what is usual or expected; 2 : the difference between the average of a group of numbers and a particular number in that group.
Definition of deviation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Sep 17, 2020 · The standard deviation is the average amount of variability in your dataset. It tells you, on average, how far each value lies from the mean. A high standard deviation means that values are generally far from the mean, while a low standard deviation indicates that values are clustered close to the mean.
