Which Extinct Hominin First Appeared About 1

question 28

Multiple Choice

Which extinct hominin first appeared about 1.9 million years ago and had a larger brain than Homo habilis, its immediate predecessor?

• A) Homo ergaster
• B) Homo neanderthalensis
• C) Homo sapiens
• D) Australopithecus

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution.

One-sample

Involves statistical inference methods that compare the mean of a single sample to a known value or theoretical expectation.

Degrees of Freedom

The number of independent pieces of information in a statistical calculation, often equal to the sample size minus the number of parameters estimated.

Categories

Groups or classes into which data or objects are organized based on shared characteristics.