Scores in the first and fourth $($final$)$ rounds for a sample of $20$ golfers who competed in PGA tournaments are shown in the following table.

Player First

Round Final

Round

Michael Letzig $7072$

Scott Verplank $7172$

D$.$ A$.$ Points $7075$

Jerry Kelly $7271$

Soren Hansen $7069$

D$.$ J$.$ Trahan $6767$

Bubba Watson $7167$

Reteif Goosen $6875$

Jeff Klauk $6773$

Kenny Perry $7069$

Player First

Round Final

Round

Aron Price $7272$

Charles Howell $7270$

Jason Dufner $7073$

Mike Weir $7077$

Carl Pettersson $6870$

Bo Van Pelt $6865$

Ernie Els $7170$

Cameron Beckman $7068$

Nick Watney $6968$

Tommy Armour III $6771$