While Studying the Yanomamö, Napoleon Chagnon Found That Soil Depletion

question 46

Multiple Choice

While studying the Yanomamö, Napoleon Chagnon found that soil depletion was not the only reason that they moved their garden plots. What other reason did he find?

• A) Major population movements of the Yanomamö were due to warfare and conflict with neighbors.
• B) The Yanomamö simply got tired of living in the same area and moved.
• C) The Yanomamö had developed a 25-year plan that detailed their moves from year to year.
• D) These cleared plots eventually became shallow ponds that could no longer be used as gardens.

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or to a mechanism, minus the number of parameters that constrain these values.

Student t Distribution

A probability distribution that is used to estimate population parameters when the sample size is small and the population variance is unknown.

Parameter v

In statistics, it can refer to a parameter associated with a specific distribution or model, often used to denote degrees of freedom in certain distributions.

Variance V(t)

A statistical measure of the dispersion of a set of data points in a data series around the mean, denoted as V(t) when considering time-series data.