Among All Unbiased Estimators That Are Weighted Averages Of $Y _ { 1 } , \ldots , Y _ { n } , \bar { Y }$

question 28

Multiple Choice

Among all unbiased estimators that are weighted averages of $Y _ { 1 } , \ldots , Y _ { n } , \bar { Y }$
is

• A) the only consistent estimator of \(\mu _ { Y }\)
• B) the most efficient estimator of \(\mu _ { Y }\)
• C) a number which, by definition, cannot have a variance.
• D) the most unbiased estimator of \(\mu _ { Y }\)

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Definitions:

Semiannual

Occurring twice a year; a rephrasing of Semiannual Interest focusing on the period rather than the transaction.

Interest Expense

The cost incurred by an entity for borrowed funds, which can be a bank loan, bond, mortgage, or other forms of debt financing.

Discounted Bond

A bond sold for less than its face value due to prevailing interest rates being higher than the bond's coupon rate.

Amortized

The process of gradually writing off the initial cost of an asset over a period of time or spreading out a loan payment.