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Historical Chess Ratings – dynamically presented

A recent study of 50 U.S. chess players details such things as the number of years the players have been active and the chess ratings of the players. A chess rating is a number from 100 to about 3000, with a higher number indicating greater expertise. The chess rating data for the sample of 50 players are summarized in the following histogram:Frequency30011001300190023002700Based on the histogram, find the proportion of chess ratings in the sample that are at least 700. Write your answer as a de

Chess Ratings – All You Need to Know

The Chess.com Puzzles are too easy now