A Sample in a Survey Should Accurately Reflect the Important

question 447

Multiple Choice

A sample in a survey should accurately reflect the important characteristics of the population from which it is drawn. For example, if a certain population has 53% women and the sample has 53% women, then the sample is said to be a

• A)random sample
• B)representative sample
• C)random assignment
• D)characteristic sample

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Definitions:

Capillaries

Microscopic blood vessels that facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues.

External Jugular Vein

A vein located on each side of the neck that drains blood from the face, neck, and scalp back to the heart.

Superior Vena Cava

A large vein that carries deoxygenated blood from the upper half of the body into the heart's right atrium.

Venules

Small blood vessels that allow deoxygenated blood to return from the capillary beds to the larger blood veins.