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Select all the point estimators for ²: Oa² 08²= 02² 02² = 08² 02² = = = n = n Σ (x₂ - π) ² i=1 1²-12 n 1 n+1 Select all the unbiased point estimators for o²: 1 n+1 n n M³ n i=1 1 Σ (x₂ - π) ² n i=1 2 (x₁ - x) ² n 2 Σ (x₂ (x₁ - x) ² i=1 (x₁ - x)² n Σ (x₂ − π) ² - i i=1

Select all the point estimators for ²: Oa² 08²= 02² 02² = 08² 02² = = = n = n Σ (x₂ - π) ² i=1 1²-12 n 1 n+1 Select all the unbiased point estimators for o²: 1 n+1 n n M³ n i=1 1 Σ (x₂ - π) ² n i=1 2 (x₁ - x) ² n 2 Σ (x₂ (x₁ - x) ² i=1 (x₁ - x)² n Σ (x₂ − π) ² - i i=1

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 44E
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Select all the point estimators for o²: n Σ (x₁ - x)² 0² 0² 0² 02² = 06² = = = = 1 = n n 1 1 n+ 1 1 Select all the unbiased point estimators for ²: 1 1 n+1 n n n 1 n - 1 i=1 n (x₁ - x) ² i=1 (xi i — π) ² (x₁ - x)² n Σ (x₁ - x) ² n Σ (xi (x₁ - x)² i=1
Transcribed Image Text:Select all the point estimators for o²: n Σ (x₁ - x)² 0² 0² 0² 02² = 06² = = = = 1 = n n 1 1 n+ 1 1 Select all the unbiased point estimators for ²: 1 1 n+1 n n n 1 n - 1 i=1 n (x₁ - x) ² i=1 (xi i — π) ² (x₁ - x)² n Σ (x₁ - x) ² n Σ (xi (x₁ - x)² i=1
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