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standard deviation

 

Definitions from WordNet

Noun standard deviation has 1 sense
  1. standard deviation - the square root of the variance
    --1 is a kind of
    variance

Definitions from the Web

Standard Deviation

Description:

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.

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