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.

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Definitions:

Deflating Cuff

A component of some tracheostomy tubes that can be inflated or deflated to secure the tube in place and provide a seal within the trachea.

Mechanical Ventilation

A method of supporting a patient's breathing using a machine that moves breathable air into and out of the lungs.

Minimal Leak Method

A technique, often used in ventilated patients, to ensure minimal air leakage around the tracheal tube cuff by adjusting the cuff pressure.

Prevents Aspiration

The prevention of foreign substances from entering the airway and lungs, which can cause aspiration pneumonia or choking.