aye alot of variables in your question.
such as
environmental temp
soil quality
nute availability
soil ph
water ph
water availability
relative humidity
amount of light received per day
angle of inclination of that light
altitude
co2 levels at location
number of branches
degree of pruning
how long it has to flower
6 foot when flowering begins, or at harvest
plants attitude (ie the specific genetic traits from its parentage, and no not all the seeds from one plant produce the same plant, theres subtle variations of the genetic code for each seed)
i think thats most the factors.
gimmie the answers to those questions and i might be able to ballpark it