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Q42Section I (Objective (Q1–Q80))42 of 80

MLE and MME for the exponential rate (again)

Let x1,x2,…,xnx_1,x_2,\dots,x_n constitute a random sample of size nn from the probability density function f(x;θ)=θe−θx; 0<x<∞,θ>0f(x;\theta)=\theta e^{-\theta x};\ 0<x<\infty, \theta>0. Consider the following statements:

I. The estimator of θ\theta with method of moments is xˉ\bar x.

II. Both maximum likelihood estimator and moment estimator of θ\theta are same.

Which of the statements given above is/are correct?

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