Question: 9.87 A sample consisting of the values, 9.6, 13.5, 5.4, 7.9, 4.8, 5.1, 1.2, and 6.8 comes from a population with the density function f(x,

9.87 A sample consisting of the values, 9.6, 13.5, 5.4, 7.9, 4.8, 5.1, −1.2, and 6.8 comes from a population with the density function f(x, θ) =



√1 2π θ

e

− x 2 2 θ 2 , −∞ < x < ∞

0, elsewhere, Obtain the maximum likelihood estimator of the parameter,

θ.

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