Round 3: Tossup 18

A 1997 book claims that Thiokol’s poor attempts at this practice the day before the Challenger launch led NASA to ignore the link between temperature and O-ring leakage. William Playfair, who is not the namesake of the Playfair cipher, wrote several books that pioneered this practice. (15[1])A 1975 book on this practice that advocates a small “lie factor” developed from its author’s seminars with John Tukey. Leland Wilkinson’s “grammar” of this practice structures a Hadley (*) Wickham package that passes parameters to geom functions. A book on this practice by Edward Tufte (“TUFF-tee”) praises Pierre-Joseph Minard’s account of Napoleon’s invasion of Russia. A Tidyverse R package for this practice begins with the letters “gg.” (10[1])For 10 points, name this practice of conveying information using tools like histograms and scatter plots. ■END■

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