Identify Which Type of Sampling Is Used

question 11

Multiple Choice

Identify which type of sampling is used. A tax auditor selects every 1000th income tax return that is received.

• A) Stratified
• B) Convenience
• C) Random
• D) Cluster
• E) Systematic

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Definitions:

Runoff

Water from rainfall, snowmelt, or irrigation that flows over the ground surface and can carry pollutants into bodies of water, affecting water quality.

Sediments

Particles of rock, sand, or organic materials that are transported and deposited by wind, water, or ice, and that accumulate in layers on the Earth's surface.

Dissolved Substances

are materials that are incorporated into a liquid (usually water) in molecular, ionized or micro-granular (colloidal sol) form, making them parts of the solution.

Vertical Zones

The layers or strata of ecosystems, particularly in forests and oceans, characterized by distinct habitats, flora, and fauna.