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Variance, population variance
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- The variance of a list is the square of the standard deviation of the list, that is, the average of the squares of the deviations of the numbers in the list from their mean. the variance of a random variable x, var(x), is the expected value of the squared
- The variance of a list is the square of the standard deviation of the list, that is, the average of the squares of the deviations of the numbers in the list from their mean. the variance of a random variable x, var(x), is the expected value of the squared difference between the variable and its expected value: var(x) = e((x − e(x))2). the variance of a random variable is the square of the standard error (se) of the variable.
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Difference, английский
- Disagreement, inequity, contrast, dissimilarity, incompatibility
- Разница; разность
- An important army term, meaning firstly the sum to be paid by officers when exchanging from the half to full pay; and, secondly, the price or difference in value of the several commissions.
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Density, density scale., английский
The vertical axis of a histogram has units of percent per unit of the horizontal axis. this is called a density scale; it measures how "dense" the observations are in each bin. see also probability density.
Ante., английский
The up-front cost of a bet: the money you must pay to play the game. from latin for "before."
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