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A3 For observations x₁, x2,...,n with sample average , we can use n Σ(x₁ - x)² i=1 2² = n as an estimator for the population variance o2. What is the bias of this estimator? A: 1/n B: -0²/n C: -1/n E: o²/n Circle the correct letter: A B с D: 0 DE

A3 For observations x₁, x2,...,n with sample average , we can use n Σ(x₁ - x)² i=1 2² = n as an estimator for the population variance o2. What is the bias of this estimator? A: 1/n B: -0²/n C: -1/n E: o²/n Circle the correct letter: A B с D: 0 DE

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A3 For observations x₁, x2,...,n with sample average , we can use n Σ(x₁ - x)² i=1 2² = n as an estimator for the population variance o2. What is the bias of this estimator? A: 1/n B: -0²/n C: -1/n D: 0 E: o²/n Circle the correct letter: A B C D E
Transcribed Image Text:A3 For observations x₁, x2,...,n with sample average , we can use n Σ(x₁ - x)² i=1 2² = n as an estimator for the population variance o2. What is the bias of this estimator? A: 1/n B: -0²/n C: -1/n D: 0 E: o²/n Circle the correct letter: A B C D E
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