https://www.scirp.org/journal/papercitationdetails?paperid=19992&JournalID=160
A Comparison of Two Test Statistics for Poisson Overdispersion/Underdispersion
Within the family of zero-inflated Poisson distributions, the data has Poisson distribution if any only if the mean equals the variance. In this paper we...
a comparisontest statisticstwopoisson