A Sample in Which We Select Every 15th Element from a Sampling

question 14

Multiple Choice

A sample in which we select every 15th element from a sampling frame is called:

• A)a simple random sample.
• B)an area sample.
• C)a stratified sample.
• D)a systematic sample.

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Definitions:

Embolus

A blood clot, air bubble, or other substance that is carried in the bloodstream and can block blood vessels.

Immune Response

The body's defensive reaction to foreign substances, including microbes and pathogens, involving recognition and response.

Embolus

A blood clot, air bubble, piece of fatty deposit, or other object that has been carried in the bloodstream to lodge in a vessel and cause an embolism.

Thrombus

A blood clot that forms within a blood vessel or the heart and may cause vascular obstruction.