Q20Section ST (Statistics (Q11–Q65))20 of 65

Estimator attaining the Cramer-Rao bound

Let $X_1$ and $X_2$ be independent and identically distributed random variables following normal distribution with mean $\theta \in (-\infty, \infty)$ and variance 1. Then which of the following estimators of their expected value attains the Cramer-Rao lower bound?

Pick an option to check your answer. In a mock test a wrong answer here costs 1/3 mark.

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