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Posted on June 11, 2014 Sampling and Confidence levelsWhat confidence levels in statistics mean. | Posted on September 27, 2012 Rats live on no evil star - Palindromes and mirror wordsEnglish words that make different words in reverse. | Posted on March 28, 2012 Hangman - You've probably been playing it all wrong!Learn the optimal strategy for playing Hangman. | Posted on July 05, 2014 Bad Hashing FunctionRandom trivia about converting words to numbers using the substitution cypher A=1, B=2 ... |