Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN: 9781680331141
Author: HOUGHTON MIFFLIN HARCOURT
Publisher: Houghton Mifflin Harcourt
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Let X₁,..., X₁ be a random sample from a large population following a uniform
distribution over [0, K]. We do not know K and we want to estimate it. Define
1
x = -=- (X₁
X
+
+ Xn),
n
(a) What is the expected value of X; (for any i = 1,...,n)? (State it as a function of K)
(b) Find E(X).
(c) Is X an unbiased estimator of K?
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Transcribed Image Text:Let X₁,..., X₁ be a random sample from a large population following a uniform distribution over [0, K]. We do not know K and we want to estimate it. Define 1 x = -=- (X₁ X + + Xn), n (a) What is the expected value of X; (for any i = 1,...,n)? (State it as a function of K) (b) Find E(X). (c) Is X an unbiased estimator of K?
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