The goal of the study
Years to do the recording of Olympic butterfly male players change put the record of female athletes?
The data (year and time of man and woman)
Best fit graph
Meaning of the intersection of graph
Intersection of two graphs means the solution of system of equations.
That the recording of male athletes is greater than the record of female athletes in 2084 this graph has meaning.
When the time record of 42.79913987 seconds recording of the graph of records and female athletes of the male players intersect.