Figure: 
-Where on this phylogenetic tree of primate evolution do you find evolution of the hominines? 
Definitions:
Null Hypothesis
A default hypothesis that there is no effect or no difference, and it is subjected to a test to determine the likelihood of its accuracy.
P-Value
The probability that the observed results happened by chance if the null hypothesis of a study is true.
Age Groups
Categories of populations divided according to age to simplify analysis and understanding of demographic information.
Pooled Estimator
A statistical method that combines estimates from different sources or samples to arrive at a more accurate or comprehensive estimate.
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