Obtain a Simple Random Sample

question 60

Multiple Choice

Obtain a Simple Random Sample
-The city council of a small town needs to determine if the town s residents will support the building of a new library. The council decides to conduct a survey of a sample of the town s residents. Which one of the following procedures would be most appropriate for obtaining a sample of the town s residents

• A) Survey a random sample of persons within each neighborhood of the town.
• B) Survey a random sample of librarians who live in the town.
• C) Survey 400 individuals who are randomly selected from a list of all people living in the state in which the
• D) Survey every 14th person who enters the old library on a given day.

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Definitions:

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.

Prevents Air Escape

A characteristic of certain medical devices or procedural techniques designed to prevent the unintended release of air from the respiratory system or other body cavities.