to, elsewhere i) Find the conditional distribution of the likelihood function given the function of the statistic, Ô = ₁X₁. Hint: Apply ƒ(L(0)|g(Ô, 0)). ii) Based on i) above, is = 1 X₁ a sufficient statistic? Justify your answer.

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1.STATISTICAL INFERENCE

a)
Let X₁, X2,..., Xn be a random sample of size n from population X. Suppose that X has the
following probability mass function:
x = 1,2,3,...
elsewhere
f (x; 0) = {0 (1 - 0)*-1,
i) Find the conditional distribution of the likelihood function given the function of the statistic,
Ô = ₁ X₁. Hint: Apply ƒ(L(0)|g(Ô, 0)).
ii) Based on i) above, is Ô = Σ₁ X₁ a sufficient statistic? Justify your answer.
n
Transcribed Image Text:a) Let X₁, X2,..., Xn be a random sample of size n from population X. Suppose that X has the following probability mass function: x = 1,2,3,... elsewhere f (x; 0) = {0 (1 - 0)*-1, i) Find the conditional distribution of the likelihood function given the function of the statistic, Ô = ₁ X₁. Hint: Apply ƒ(L(0)|g(Ô, 0)). ii) Based on i) above, is Ô = Σ₁ X₁ a sufficient statistic? Justify your answer. n
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