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WordNet-Online
Definitions from WordNet
Noun standard deviation has 1 sense | ||||
Definitions from the WebStandard DeviationDescription:Standard deviation is a statistical measure that calculates the amount of variability or dispersion in a set of data. It quantifies how far individual data points are spread out from the mean or average value of the data set. A low standard deviation indicates that the data points are close to the mean, while a high standard deviation suggests that the data points are more spread out. Sense 1 - Statistics:Noun: In statistics, standard deviation measures the extent to which data deviates or varies from the mean. It is derived by taking the square root of the variance. Example Sentence: The standard deviation of the test scores in the class was 10, indicating a wide variation in performance. Sense 2 - Finance:Noun: In finance, standard deviation is used to measure the volatility or risk associated with an investment. It provides insight into the potential fluctuations in returns. Example Sentence: Experienced investors consider not only the expected returns but also the standard deviation to make informed investment decisions. Sense 3 - Mathematics:Noun: In mathematics, standard deviation is a measure of the dispersion or spread of a set of values around the mean. It provides valuable information about the data's distribution. Example Sentence: The researcher analyzed the standard deviation of the data points to determine the significance of the experimental results. Sense 4 - Computing:Noun: In computing, standard deviation is used to evaluate the variability of a set of data points in a program or algorithm. Example Sentence: The programmer calculated the standard deviation of the dataset to assess the effectiveness of the newly implemented algorithm. Sense 5 - Education:Noun: In education, standard deviation may be used to assess the spread or dispersion of students' scores in a test or examination. Example Sentence: The teacher calculated the standard deviation of the test results to determine how well the class performed collectively. Sense 6 - Local:Adjective: In local terminology, "standard deviation" may refer to a locally accepted or accustomed level of difference from a usual or expected value. Example Sentence: In this region, the standard deviation for winter temperatures is relatively high compared to other areas. Possible Related Products on Amazon: | ||||
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