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The meaning of DEVIATION is an act or instance of deviating. How to use deviation in a sentence. an act or instance of deviating: such as; deflection of the needle of a compass caused by local magnetic influences (as in a ship)…
mathematics specialized. the amount by which a measurement is different from a fixed number or amount: The deviation of a value of x is the difference between it and the mean of the sample. Each deviation is then squared. See also. standard deviation. See. deviate. Fewer examples. This approach represents a major deviation from previous techniques.
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.
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.
Step 1: Find the mean. Step 2: For each data point, find the square of its distance to the mean. Step 3: Sum the values from Step 2. Step 4: Divide by the number of data points. Step 5: Take the square root. An important note. The formula above is for finding the standard deviation of a population.
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. When something causes a creature’s DNA to change, it creates a deviation, or a changed
