Examlex
What is the adaptive value of dark skin tones in equatorial regions such as Africa? If all humans are ultimately from Africa, what hypotheses might explain why skin tones lightened as humans came to occupy more northern latitudes?
Mean
The average of a set of numbers, calculated by adding them together and dividing by the count of the numbers.
Random Samples
A group of people selected from a larger pool where every person has the same probability of being chosen.
Populations
The entire set of individuals or objects of interest from which a statistical sample is drawn for analysis.
Sampling Distribution
The design of probabilities for a chosen statistic, rooted in the examination of a random sample.
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