An Unbiased Estimator of a Population Parameter Is Defined As

question 23

Multiple Choice

An unbiased estimator of a population parameter is defined as:

• A)an estimator whose expected value is equal to the parameter.
• B)an estimator whose variance is equal to one.
• C)an estimator whose expected value is equal to zero.
• D)an estimator whose variance goes to zero as the sample size goes to infinity.

---

Definitions:

Psychogenic

Originating in the mind or in mental or emotional processes; having a psychological rather than a physiological cause.

Head Injury

Physical trauma to the head, which can lead to various levels of brain injury, ranging from mild concussions to severe brain damage.

Emotional Shock

A psychological condition arising in response to a terrifying or traumatic event, causing a strong emotional impact.

Decay Theory

A theory suggesting that memory fades due to the mere passage of time unless it is actively rehearsed.