A Problem with Nonrandom Sampling Is That

question 15

Multiple Choice

A problem with nonrandom sampling is that:

• A)larger samples need to be taken to reduce the sampling error inherent in this approach.
• B)not every item in the population has the same chance of being selected, as it should.
• C)it is usually more expensive than random sampling.
• D)it generally provides lower response rates than random sampling.

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Definitions:

Liver

A large vital organ in vertebrates responsible for detoxification, protein synthesis, and production of biochemicals necessary for digestion.

Lymphocytes

A type of white blood cell that is one of the main types of immune cells, responsible for producing antibodies to fight off infections.

Lymph Node

Small mass of lymphoid tissue through which lymph filters; contains many B cells and T cells.

Atherosclerosis

A disease characterized by the buildup of fats, cholesterol, and other substances in and on the artery walls, which can restrict blood flow.