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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.
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.
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 meaning: 1. the action of being or doing something that is different from the usual or common way of…. Learn more.
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.
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.
Introduction to standard deviation. Standard deviation measures the spread of a data distribution. The more spread out a data distribution is, the greater its standard deviation. For example, the blue distribution on bottom has a greater standard deviation (SD) than the green distribution on top: 0 1 2 3 4 5 6 7 8 9 10 SD = 1.59 SD = 2.79.
