Mathematics · Mathematical Statistics
Suppose that (X 1 , Y 1 ), (X 2 , Y 2 ), ..., (X n , Y n ) are independent and identically distributed random variables having a uniform distribution on the triangle with vertices (0, 0), (θ, 0), and (0, θ), where θ > 0. A sufficient statistic for θ is:
- 1max { max 1≤i≤n X i , max 1≤i≤n Y i }
- 2max 1≤i≤n |X i + Y i |
- 3max 1≤i≤n (X i + Y i )✓
- 4max 1≤i≤n X i + max 1≤i≤n Y i
Correct answer
max 1≤i≤n (X i + Y i )
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