6. Suppose an independent sample (X1, X2, X3) is taken from a random variable X having mean p and variance o. Choose the estimator for u which is both unbiased and efficient. O a) (X1/4 + X2 14+ X3/4) O b) (3X,/8 + 3X2/8+ Xg/4) O c) (2X,/8 + 2X2/8 + Xg/2) O d) (X;/8 + X2/8 + 3X3/4)
6. Suppose an independent sample (X1, X2, X3) is taken from a random variable X having mean p and variance o. Choose the estimator for u which is both unbiased and efficient. O a) (X1/4 + X2 14+ X3/4) O b) (3X,/8 + 3X2/8+ Xg/4) O c) (2X,/8 + 2X2/8 + Xg/2) O d) (X;/8 + X2/8 + 3X3/4)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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