Distribution-Free Tests Are Used When _____

question 12

Multiple Choice

Distribution-free tests are used when _____.

• A)samples are larger than 40
• B)parametric assumptions are markedly violated
• C)data are normally distributed
• D)none of these

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Definitions:

Pyroclastic Flow

a fast-moving current of hot gas and volcanic matter (such as ash) that moves away from a volcano during an explosive eruption.

Eruption Column

A column of gases, ash, and volcanic rock that is ejected into the atmosphere during a volcanic eruption.

Tephra

Fragmented material produced by a volcanic eruption regardless of size, composition, or emplacement mechanism.

Gas Flux

The rate of flow of gases into or out of a surface area.