A Sampling Unit

question 47

Multiple Choice

A sampling unit

• A) must have one element.
• B) may include several elements.
• C) can not include more than one element.
• D) is the number of units sampled.

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Definitions:

Nicotine

A stimulant and addictive substance found primarily in tobacco products.

Alcohol

A colorless, volatile liquid that is the active ingredient in drinks such as beer, wine, and spirits, and is also used in sterilization and as a fuel source.

Caffeine

A natural stimulant found in coffee, tea, chocolate, and certain medications that affects the central nervous system, enhancing alertness and reducing tiredness.

Morphine

A powerful opiate analgesic drug derived from the opium poppy used to relieve severe pain.