Actuarial Notes

CAS Exam MAS-I Spring 2019, Question 19

Study guide: Exam MAS-I

We observe a random sample, \{X_1, X_2, \ldots X_n\} from a continuous uniform distribution U(0, \beta).

\hat{\beta} = \max(X_1, X_2, \ldots X_n) is chosen as an estimator of \beta.

  • I. \hat{\beta} is both the maximum likelihood estimator and method of moments estimator of \beta
  • II. \hat{\beta} is sufficient statistic for \beta
  • III. The minimum variance unbiased estimator of \beta is a function of \hat{\beta}

Determine which of the above statements are true.

  • A) None are true
  • B) I and II only
  • C) I and III only
  • D) II and III only
  • E) The answer is not given by (A), (B), (C), or (D)

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