Average Points v Season NFL 1989 - 2014

Average Points v Season NFL 1989 – 2014

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Average Points v Season NFL 1989 - 2014
Average Points v Season NFL 1989 - 2014

This scatter plot show the average points scored by a team in NFL games from 1989 – 2014.

Also shown is the second order polynomial fit.

Scores have been increasing.

This Matplotlib scatter plot was made at SportsDatabase.com with the SDQL:
R(season),A(points)@season|$1 as Season,$2 as Points@1 as ‘Average Points v SeasonnNFL 1989 – 2014’?marker_size=200&polyfit=2&polyfit_error_scale=0.000000001&ymin=18&ymax=24

Can you improve this graph?

Add explanatory parameters? 

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