An Estimator $\hat { \mu } _ { Y }$ Of the Population Value

question 22

Multiple Choice

An estimator $\hat { \mu } _ { Y }$ of the population value $\mu _ { Y }$ is unbiased if

• A) \(\hat { \mu } _ { y } = \mu _ { y }\)
• B) \(\bar { Y }\) has the smallest variance of all estimators.
• C) \(\bar { Y } \stackrel { p } { \rightarrow } \mu _ { y }\)
• D) \(E \left( \hat { \mu } _ { Y } \right) = \mu _ { Y }\)

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