Need Help Tuning With (scanmst)

[V8killR4U]

WHERE I CAN READ UP ON THIS INFO. wELL HERE ARE THE READNGS FOR MY CAR @ IDLE.
O2'S - 847, 859
AF - 04
L8 - 35-36
BAT - 13.4-13.5
INT - 14
BL - 30
MPH - 0
DE OR CLE -159
ATS - 75-83
R - 775-800
TPS - .50
IAC - 26
CC -00
NAL - 00

I REALLY NEED HELP WITH THIS, WHERE DO YOU GUYS GET THESE BASE LINE NUMBERS. IM THINKIN MY NUMBERS ARE REAL OFF COMPAREWD TO WHAT IVE SEEN PLEASE HELP ME