What describes the following functional group? 
Definitions:
Contestant
An individual who participates in a competition or contest.
Least Squares Regression
A statistical method that finds the best-fitting line through data points by minimizing the sum of the squared differences between observed and predicted values.
Scatter Diagram
A graphical representation that displays the relationship between two quantitative variables by plotting them as points in a coordinate system.
Allman Brothers
The Allman Brothers Band was an influential American rock band known for their contributions to the development of Southern rock music in the 1970s.
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