Our Own Species, __________, Appears to Have Evolved in Africa

question 42

Multiple Choice

Our own species, __________, appears to have evolved in Africa less than 200,000 years ago.

• A)Homo habilis
• B)Homo erectus
• C)Homo sapiens
• D)Homo hominis

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Definitions:

Confidence Interval

Confidence Interval is a range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, with a certain level of confidence.

Contrast

In statistics, a method used to compare different treatments or groups by defining specific linear combinations of parameters estimated in a model.

Confidence Limits

The upper and lower boundaries of a confidence interval, which estimate the range within which a population parameter lies with a certain level of confidence.

Population Mean

The average of all the values in a population, which is the total set of individuals, items, or data under study.