If we agree that mean value means the average value of a set of numbers, around 50 percent of values should be below average just like 50 percent has to be above average. This is plain mathematics. In this classic and revered Parker chart more than 90% of the scores put a given vintage ‘Above average or excellent’. What’s up? You tell me. A decade of a century?
Dr. Vino was on the topic of score inflation few weeks ago. Check out the post and the conversation.