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Video Poker Glossary
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VAR
Abbreviation for Variance.
Variance
A measure of the variability of a data set or random process. The variance describes how far values lie from the mean (the first moment of the distribution), and is used, along with the mean, and higher moments, to characterize a probability distribution. The Variance is defined as the expectation of (X-µ)^2 where X is value and µ is the expected value or mean. While the combination of the variance and the mean fully describe a normal distribution (gaussian) they are not sufficient to describe the strongly non-normal distribution for video poker. Nonetheless, variance is an important factor to consider and understand in many aspects of video poker. For video poker, typical values of the Variance range roughly from 15 (PKM) to 100 (DBDJ) and is in units of the bet squared.
See also: Standard Deviation, Expectation, Expected Value, PKM, DBDJ.
Video Lottery Terminal
A gaming machine that operates akin to a lottery, whereby a centralized computer system determines the outcomes using a random number generator. Like playing the lottery, playing an Video Lottery Terminal require no strategy or skill. Video poker is not a Video Lottery Terminal.
VLT
Abbreviation for Video Lottery Terminal.
VP
Video Poker
VPSM
TomSki's Video Poker Strategy Master VP Software
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