Mathematics · Mathematical Statistics
Let X 1 , X 2 , ..., X n be i.i.d. random variables with the common probability density function (pdf) f(x | θ) = θ x θ+1 , for x > 1, where θ > 1 is an unknown parameter. Which of the following estimators of θ is consistent?
- 1n ∑ i=1 n log(X i )✓
- 2n ∑ i=1 n X i
- 31 n ∑ i=1 n log(X i )
- 41 n ∑ i=1 n X i
Correct answer
n ∑ i=1 n log(X i )
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