Robuta

https://www.atlantis-press.com/journals/jsta/125924020/view
In this paper, we introduce a new and useful discrete distribution (modified negative binomial distribution) and its statistical and probabilistic properties...
negative binomialmodifieddistributionpropertiesoverdispersion
https://www.cbs.nl/nl-nl/maatschappij/natuur-en-milieu/indexen-en-trends--trim--/trim-frequently-asked-questions/what-is-overdispersion-and-what-is-its-impact-on-the-indices-
overdispersionimpact