On the tree below,which number represents the most recent common ancestor of humans and corn? 
Definitions:
Population Proportion
It is a measure that gives the fraction of individuals in the population having a particular attribute.
Margin Of Error
An estimate of the amount by which an observed sample statistic may differ from the true population parameter, reflecting the confidence level of the statistic.
Population Standard Deviation
A measure that quantifies the amount of variation or dispersion of a set of data values across a whole population.
Sample Size
The number of participants or observations included in a sample, used in statistical analysis to make inferences about a larger population.
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