B1. Suppose we have X₁, X2,... Xn, which are i.i.d. and come from the uniform distribution Uniform(u-n, μ+n), n>0;0= (µ, n) (a) Use the Method of Moments to estimate μ and n. (b) Determine whether the estimate derived by the Method of Moments is biased for μ. (c) Use the Maximum Likelihood method to estimate and n. Use the notation: X(1) = min(X₁, X2,..., Xn) and X(n) = max(X₁, X2, ..., Xn) (d) It can be derived that fx(1)(x) = n 2η fx(n)(x): = 1 C = ·(μ-n)` 2η (μ-n)` 2η n 2/1 (2- 2η n-1 n-1 Hint: Use substitutions y = 1 - 2 χε[μ - η μ + η], x = [μ = n₂ μ+ n] Determine whether the estimate obtained by the Method of Maximum Likelihood is biased for . x-(μ-n) 21 and y' = x-(μ-n) 2η (e) Describe the criteria which can be used to choose between these two estimates.
B1. Suppose we have X₁, X2,... Xn, which are i.i.d. and come from the uniform distribution Uniform(u-n, μ+n), n>0;0= (µ, n) (a) Use the Method of Moments to estimate μ and n. (b) Determine whether the estimate derived by the Method of Moments is biased for μ. (c) Use the Maximum Likelihood method to estimate and n. Use the notation: X(1) = min(X₁, X2,..., Xn) and X(n) = max(X₁, X2, ..., Xn) (d) It can be derived that fx(1)(x) = n 2η fx(n)(x): = 1 C = ·(μ-n)` 2η (μ-n)` 2η n 2/1 (2- 2η n-1 n-1 Hint: Use substitutions y = 1 - 2 χε[μ - η μ + η], x = [μ = n₂ μ+ n] Determine whether the estimate obtained by the Method of Maximum Likelihood is biased for . x-(μ-n) 21 and y' = x-(μ-n) 2η (e) Describe the criteria which can be used to choose between these two estimates.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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