A Torrential Mudflow of Wet Volcanic Debris Is Called A(n)

question 46

Multiple Choice

A torrential mudflow of wet volcanic debris is called a(n)

• A)ash flow tuff.
• B)landslide.
• C)lahar.
• D)eruption cloud.

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Definitions:

Matched Pairs

Matched pairs refer to a study design in statistics where pairs of subjects are matched in terms of key variables that are thought to affect the outcome of interest, and then compared on the outcome, often used to control for confounding variables.

Ordinal

A scale of measure that categorizes data while also ranking them in a meaningful order, but without indicating the exact differences between ranks.

Sign Test

A nonparametric statistical test used to determine if there are differences between two paired samples.

T-test

A statistical method used to determine if there is a significant difference between the means of two groups, which may be related in certain features.