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The meaning of DEVIATION is an act or instance of deviating. How to use deviation in a sentence.
DEVIATION definition: 1. the action of being or doing something that is different from the usual or common way of…. Learn more.
Overview of how to calculate standard deviation. The formula for standard deviation (SD) is. SD = ∑ | x − μ | 2 N. where ∑ means "sum of", x is a value in the data set, μ is the mean of the data set, and N is the number of data points in the population.
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. Deviations with respect to the sample mean and the population mean (or " true value ") are called errors and residuals , respectively.
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. deviation. / dē′vē-ā ′ shən / The difference between one number in a set and the mean of the set. Discover More. Other Words From.
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.
deviation. [uncountable, countable] deviation (from something) the act of moving away from what most people consider normal or acceptable; a difference from what is expected or acceptable. This is a deviation from the original plan.
In everyday language, deviation is how different something is from what might be considered normal. In statistics, when discussing measures of spread, deviation is the amount by which a single measurement differs from the mean.
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.
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.
