| Дисперсия случайной величины |  |
Диспе́рсия случа́йной величины́ — мера разброса значений случайной величины относительно её математического ожидания. Обозначается в русской литературе и в зарубежной. В статистике часто употребляется обозначение или. Википедия
Variance is a measure of dispersion, meaning it is a measure of how far a set of numbers is spread out from their average value. Pooled variance · Variance (disambiguation) · Conditional variance · Covariance |
Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio's asset allocation. |
18 янв. 2023 г. · Variance is the average squared deviations from the mean, while standard deviation is the square root of this number. Both measures reflect ... |
Variance is the expected value of the squared variation of a random variable from its mean value, in probability and statistics. |
20 сент. 2024 г. · Variance is a measurement value used to find how the data is spread concerning the mean or the average value of the data set. It is used to ... |
The variance defines a measure of the spread or dispersion within a set of data. There are two types: the population variance, usually denoted by $\sigma^2$ and ... |
Variance is a measure of dispersion that is used to check the spread of numbers in a given set of observations with respect to the mean. |
Variance is a measure of dispersion. It is equal to the average squared distance of the realizations of a random variable from its expected value. |
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The variance is a measure of how spread out the distribution of a random variable is. |
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