Show that 2 = n i=1 Y 2 i is sufficient for 2 if Y
Question:
Show that ˆσ2 =Σni=1 Y2i is sufficient for σ2 if Y1,Y2, . . . ,Yn is a random sample from a normal pdf with μ = 0.
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Let X be a normal random variable with mean and variance 2 Then for any ...View the full answer
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