The median for this set of data, I believe it is Team Leader. Mostly because the middle wage is Team Leader, along with the wage.
T=time
when the piano dropped at t=0, its velocity also equals 0
but at t(3)=32(3)=96
the piano is falling at 96fps
The answer is c the degree of the trinomial
Sample size is an act of picking the number of observations to include in a statistical sample