Instruction 7-5 The Manager of the Customer Service Division of a Major

question 102

Multiple Choice

Instruction 7-5
The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a DVD player made by the company over the past 12 months are satisfied with their products.
-Referring to Instruction 7-5,if there are 4 different brands of DVD players made by the company,the best sampling strategy would be to use a

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

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Definitions:

Amino Acid

Organic compounds that serve as the building blocks of proteins, essential for various bodily functions.

Glutamate

An important neurotransmitter in the brain involved in learning, memory, and the regulation of the nervous system.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits nerve transmission, reducing neuronal excitability throughout the nervous system.

Agonist

A chemical or drug that binds to receptors in the brain and causes a reaction, often mimicking the action of naturally occurring substances.