What Are camanchacas

question 16

Multiple Choice

What are camanchacas?

• A) Special trees adapted to living in middle latitude deserts.
• B) Sudden intense rainstorms that frequent the Atacama Desert.
• C) Advection fogs created in association with the Peru Current.
• D) Heat waves that occur in rain shadow deserts.

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Definitions:

One-sample Z-test

A statistical test used to determine whether there is a significant difference between the mean of a sample and a known or hypothesized population mean.

Mean of a Sample

The average value obtained by dividing the sum of all observations in a sample by the number of observations.

Mean of a Population

The average value derived from adding all the values in a population and then dividing by the number of values.

Null Hypothesis

A default hypothesis that there is no effect or no difference, used as a starting point for statistical significance testing.