whats the best size skateboard for me?

im 14, like 5.1. im getting a baker skateboard and im a beginner. i jus like am unsure on sizes and the best length and width for me. so jus help meh out. i just wanna know like the most normal size and easiest size for starting out.
oh yeh try to answer my other question too

aha, dude just get a 7.5,7.63 or a 7.75, these are the best sizes,and they should feel comfortable,with you.
:{D

Koastal Longboard RoadRunner 2 drop through Skateboard