silly q but can someone ans - cd45

[ArchivalUser]

why is it that we add a 10 +/- 5 to kaplan q bank to estimate our score on the final test???????? i mean ultimately exculding the experimental questions shdnt we just be getting the same score as we did in our practice q bank??????
i know this is a silly question but i was just wondering...
thanks....

[ArchivalUser]

whyy didnt anyone ans..
noone knows??
would like some help on this
thank u

[ArchivalUser]

it's kind of psycho therapy....i guess...