Suppose that a random sample of sizen is taken from a Poisson distribution for which the value of the mean e is unknown, and the prior distribution of e is a gamma distribution for which the mean is Pg. Show that the mean of the posterior distribution of e will be a weighted average having the form YnX,+ (1 – Yn)Ho, and show that yn - 1 as n→ *.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.