Page 294 The text message data presented in Figure 13.1 come from the American Statistical Association’s Census at School project. Data from this project can be accessed online at www.amstat.org/censusatschool/.

615

Pages 294 and 296 The body temperature data presented in Figure 13.2, 13.3, 13.4a, and 13.4b come from the article Allen L. Shoemaker, “What’s normal?—temperature, gender, and heart rate,” Journal of Statis-tics Education, 1996, and can be found online at www.amstat.org/publications/jse/v4n2/datasets.shoemaker.html.

Page 310 The IQ scores in Figure 13.13 were collected by Darlene Gordon, Purdue University School of Education.

Page 311 Exercise 13.18: Stephen Jay Gould, “Entropic homogeneity isn’t why no one hits .400 anymore,” Discover, August 1986, pp. 60–66.

Page 313 Exercise 13.26: Information on SAT scores of college-bound seniors can be found at the website http://secure-media.collegeboard.org/digitalServices/pdf/sat/sat-percentile-ranks-composite-crit-reading-math-2014.pdf. This is also the source for the information in Exercise 13.27.

Page 313 Exercise 13.28: Information on SAT scores of college-bound seniors can be found at the website http://secure-media.collegeboard.org/digitalServices/pdf/sat/sat-percentile-ranks-gender-ethnicity-2014.pdf. This is also the source for the information in Exercise 13.29.

Page 313 Exercise 13.30: Ulric Neisser, “Rising scores on intelligence tests,” American Scientist, September–October 1997, online edition, www.americanscientist.org.