Instead of thinking of a random sample of size (n=16), let's think of the sample mean as

Question:

Instead of thinking of a random sample of size $n=16$, let's think of the sample mean as a single observation from its distribution.
(a) What is the distribution of $y$ ? Calculate the observed value of $y$ ?
(b) Use NormDP in Minitab, or normdp in R, to nd the posterior distribution $g(y)$.
(c) What does this show us?

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