If T₁ and T₂ are two unbiased estimators of θ and V(T₁) and V(T₂) are their variances, then T₁ is said…
Of two unbiased estimators \(T_1\) and \(T_2\) of a parameter \(\theta\), the estimator with the smaller variance is more efficient. Therefore, \(T_1\) is more efficient…
Choose your answer
If T₁ and T₂ are two unbiased estimators of θ and V(T₁) and V(T₂) are their variances, then T₁ is said to be more efficient than T₂, when -
Answer and explanation
Correct answer C
Of two unbiased estimators and of a parameter , the estimator with the smaller variance is more efficient. Therefore, is more efficient than when .
Practice for these exams
-
RPSC Statistical Officer