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Usage area

This term is used in offline casinos and online gambling. Most often it can be found in the description of video slots. 

Description

Dispersion – the degree of deviation from the mathematical expectation.

In slot machines, variance refers to the level of possible deviation from the theoretical return during a certain gaming session. 

In practice, the higher the variance, the rarer but larger the video slot pays. Usually, automata with high dispersion are models with a small number of lines: one, three, five. Five-reel slots with twenty or more bands often have low performance. 

Denis Anipchenko
Denis Anipchenko
Editor-in-chief and online gambling expert

Denis is a true professional with many years of experience in the gambling industry. His career started back in the late nineties when he worked as a croupier, pit boss, manager and casino manager. This unique experience allowed him to deeply understand the world of gambling from the inside. Since the late noughties Denis has dedicated himself to writing articles and analyses about gambling, and since the early tens he has become a key figure in the Casinoz team. Here he not only writes and edits content, but also creates reviews, shares his expertise and helps readers understand the intricacies of gambling. Denis combines practical experience and in-depth knowledge, making him one of the most respected experts in the industry. His writings are always up-to-date, proven and useful information for anyone interested in the casino world.

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Facts checked Alex Vasilev Scientific editor and fact checker
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