Identify the Type of Sample Obtained by Selecting a Preexisting

question 17

Multiple Choice

Identify the type of sample obtained by selecting a preexisting or natural group and using the members in the group as the sample.

• A) biased sample
• B) cluster sample
• C) systematic sample
• D) stratified sample

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Definitions:

Precipitation

Any form of water, liquid or solid (rain, sleet, snow, or hail), that falls from the atmosphere and reaches the ground.

Acre-Foot

An acre-foot is a unit of volume commonly used in the United States to measure large-scale water resources, such as in reservoirs and lakes, equating to the volume of water needed to cover one acre of land to a depth of one foot.

Football Field

A playing surface, typically measuring 100 yards (91.44 meters) long and 53.3 yards (48.77 meters) wide, used for American football games.

Gallons

A unit of fluid volume measurement used in the US and the British imperial system, equal to 3.785 liters in the US.