-Use the figure to identify the most recent common ancestor of Echinoderms and Chordates.How many other taxonomic groups shown in this phylogenetic tree share that same common ancestor?
Definitions:
Median
When values in a dataset are sorted from least to greatest or the opposite, the median is the value that sits in the center.
Set of Data
A collection of related information or variables, typically numeric, organized for analysis.
Mean
A statistical measure that represents the average value of a set of numbers.
Set of Data
A collection of data points or values that have been gathered to provide information for analysis.
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