The Estimation of Which of the Following Requires Sampling

question 30

Multiple Choice

The estimation of which of the following requires sampling?

• A) U.S. unemployment rate
• B) Total rainfall in Phoenix, Arizona, in 2010
• C) The Cleveland Indians' hitting percentage in 2010
• D) The average SAT score of incoming freshmen at a university

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Definitions:

Loose Fragments

Small, unconsolidated pieces of rock or minerals found on the ground surface, which have been detached from larger formations.

Lens Shape

A shape typically described as being thicker in the middle than at the edges, commonly associated with optical lenses.

Rock Types

Categories into which rocks are classified based on their formation process, including igneous, sedimentary, and metamorphic.

Conglomerate

A coarse-grained sedimentary rock composed of rounded clasts bonded together by a matrix of finer particles and cement.