Volleyball Scoring Explained: Rally Points, Sets, and the Fifth Set to 15

core: The rally scoring system in volleyball, adopted in 2000, makes every rally produce a point. Sets are typically 25-17, with fifth set to 15.
key_facts: Adopted at Sydney 2000 Olympics; Deuce frequency 8-9%; Average set score 25-17; Best of five median 4 sets; Fifth set to 15 points with 2-point margin
source: Volleyballmag.com | Article on volleyball scoring rules
related: Q: What is rally scoring? A: Every point is scored in every rally.; Q: When does the fifth set end? A: When one team reaches 15 points with a 2-point lead.; Q: What is the role of the libero? A: It is a defensive specialist with restrictions on attacking.