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negative variance

См. также в других словарях:

  • negative variance — /ˌnegətɪv veəriəns/ noun a difference between a financial plan and its outcome that means a less favourable profit than expected ● The unexpected increase in raw material prices meant a negative variance of $5000. ● A sudden fall in revenue… …   Marketing dictionary in english

  • Negative binomial distribution — Probability mass function The orange line represents the mean, which is equal to 10 in each of these plots; the green line shows the standard deviation. notation: parameters: r > 0 number of failures until the experiment is stopped (integer,… …   Wikipedia

  • Variance — In probability theory and statistics, the variance of a random variable, probability distribution, or sample is one measure of statistical dispersion, averaging the squared distance of its possible values from the expected value (mean). Whereas… …   Wikipedia

  • Negative multinomial distribution — notation: parameters: k0 ∈ N0 the number of failures before the experiment is stopped, p ∈ Rm m vector of “success” probabilities, p0 = 1 − (p1+…+pm) the probability of a “failure”. support …   Wikipedia

  • Variance reduction — In mathematics, more specifically in the theory of Monte Carlo methods, variance reduction is a procedure used to increase the precision of the estimates that can be obtained for a given number of iterations. Every output random variable from the …   Wikipedia

  • Variance-to-mean ratio — In probability theory and statistics, the variance to mean ratio (VMR), like the coefficient of variation, is a measure of the dispersion of a probability distribution. It is defined as the ratio of the variance sigma^2 to the mean mu ::… …   Wikipedia

  • negative — Synonyms and related words: Cassandra like, Cassandran, Cassandrian, Ditto copy, Photostat, Xerox, Xerox copy, abjuratory, abnegate, abnegation, abnegative, abolish, abrogate, absolute veto, adversary, adversative, adverse, algorismic,… …   Moby Thesaurus

  • negative agnosticism — the philosophical view that the truth values of certain claims particularly theological claims regarding the existence of God, gods, or deities are unknown, inherently unknowable, or incoherent, and therefore, (some agnostics may go as far to… …   Mini philosophy glossary

  • negative atheism — a condition of being without theistic beliefs; an absence of belief in the existence of gods, thus contrasting with theism. This definition includes both those who assert that there are no gods and those who have no beliefs at all regarding the… …   Mini philosophy glossary

  • Unfavorable Variance — An accounting term that describes instances where actual costs are greater than the standard or expected costs. An unfavorable variance can alert management that the company s profit will be less than expected. The sooner an unfavorable variance… …   Investment dictionary

  • Budget Variance — A periodic measure used by governments, corporations or individuals to quantify the difference between budgeted and actual figures for a particular accounting category. A favorable budget variance refers to positive variances or gains; an… …   Investment dictionary

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