Consider three independent random variables x1, x2 and x3 with the same expected value µ and variances 1/8, 1 and 4, respectively. Consider, also, two estimators 01 and Ô2 defined as 1 1 L3 + T2 2 and = 2x1 – x2. Choose the best answer: A) Both 01 and 02 i B) Both Ô0, and 02 are unbiased for µ but 0, is more efficient C) Both 01 and 02 are biased for µ D) Both 01 and 02 are unbiased for µ but 03 = x2 is preferable to both are unbiased for u and they are equally efficient
Consider three independent random variables x1, x2 and x3 with the same expected value µ and variances 1/8, 1 and 4, respectively. Consider, also, two estimators 01 and Ô2 defined as 1 1 L3 + T2 2 and = 2x1 – x2. Choose the best answer: A) Both 01 and 02 i B) Both Ô0, and 02 are unbiased for µ but 0, is more efficient C) Both 01 and 02 are biased for µ D) Both 01 and 02 are unbiased for µ but 03 = x2 is preferable to both are unbiased for u and they are equally efficient
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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