Does this procedure describe a completely randomized design for this experiment?
A
Yes, the tires are randomly assigned to each vehicle.B
No, the company did not use 20 of the same type of vehicle to receive both treatments, the new and original treads.C
Yes, there are two treatments, new and original treads.D
No, even though randomness is used, the procedure does not ensure that an equal number of vehicles are in both groups.