"sum" in inglés with examples - Collocation dictionary inglés
- In general, the more a measurement is like the sum of independent variables with equal influence on the result, the more normality it exhibits.
- The formula is regarded as "a stepping stone in the theory of sums of independent random variables".
- In general we have for the sum of random variables:
- The expression above can be extended to a weighted sum of multiple variables:
- This formula may be derived from what we know about the variance of a sum of independent random variables.
- Bernstein inequalities give bounds on the probability that the sum of random variables deviates from its mean.
- Another reason can be seen by looking at the formula for the kurtosis of the sum of random variables.
- To this end, assume that is a sum of random variables such that the and variance .
- If is a sum of random variables, the spreading of mass takes place in an dimensional space.
- It is the distribution of the sum of independent exponential variables with mean .
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