Daniel Beauchamp Did Not Perform a True Sample When He

question 33

Multiple Choice

Daniel Beauchamp did not perform a true sample when he went to his client to examine salinvoices. He did not use any specific method for choosing the invoices. He let his eye catch the items he thought might make up his sample. What technique did he use?

• A) random selection
• B) block selection
• C) haphazard selection
• D) stratified sample selection

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Definitions:

Continental Rift

A linear zone where the Earth's crust and lithosphere are being pulled apart and is an early stage of continental breakup.

Seismic Station

The location of a scientific instrument (seismograph) that measures seismic vibrations.

P-waves

Primary waves, or compressional waves, are the fastest seismic waves that travel through solids, liquids, and gases in a push-pull motion.

S-waves

Secondary or shear waves, a type of elastic wave that moves through the body of the Earth, used in the study of earthquakes and the Earth's interior.