What Are at Least Two Reasons Scientists Have for Believing

question 81

Essay

What are at least two reasons scientists have for believing humans evolved in Africa?

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Definitions:

T Distribution

A type of probability distribution that is symmetrical and bell-shaped, used in hypothesis testing for small sample sizes.

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, where data near the mean are more frequent in occurrence.

Degrees of Freedom

The number of independent values or quantities that can vary in the analysis without breaking any constraints.

T Value

A calculated value from a t-test used to compare the differences between means in relation to the variation in sample data.