Home > Statistics Every Writer Should Know > The Stats Board > Discusssion
Beta-Binomial and Gamma-Poisson
Message posted by Steven on March 1, 2000 at 12:00 AM (ET)
Can anyone out there pse help me with this? I hv problem formulating the mean and variance of these 2 distributions. Thanks.
READERS RESPOND:
(In chronological order. Most recent at the bottom.)
Re: Beta-Binomial and Gamma-Poisson
Message posted by John Tomko on March 7, 2000 at 12:00 AM (ET)
I assume you are talking about a gamma distribution. That is a density function with two parameters a and b. If a=1 the gamma distribution is called an exponential distribution. If this is what you are talking about then,the mean is a x b; and the variance is a x b^2. Hope this helps
Your $5 contribution helps cover part the $500 annual cost of keeping this site online.
