It matters if it's professional. If not, there can be a few as 1. If professional, there are 2-3 referees.
The officiating officials in a volleyball game are called referees. The referees stay on the sidelines of the court.
There are usually 2 referees in a volleyball game. One is on the stand and one is on the floor.
for school project
he does the same as other referees in other sports
Yes. One referee. Two line judges.
Usually the two people with whistles are the first and second referees.
The games stops for a short time and the referees go to talk about the call and agree on who's right and who's wrong.
there are three referees in the NBA.
Five seconds. But not very many referees go by this rule in levels such as high school and middle school volleyball.