Pages 316 and 329 The data for Figure 14.1 and 14.9 come from the College Board website, www.collegeboard.org.

Page 318 Example 2: Data extracted from the World Bank’s website, http://devdata.worldbank.org/data-query/. Life expectancy and GDP per capita (purchasing-power parity basis) are estimated for 2010.

Page 321 Example 3: M. A. Houck et al., “Allometric scaling in the earliest fossil bird, Archaeopteryx lithographica,” Science, 247 (1990), pp. 195–198. The authors conclude from a variety of evidence that all specimens represent the same species.

Page 331 Exercise 14.12: The Florida Department of Highway and Motor Vehicles, at www.flhsmv.gov/dmv/vslfacts.html, gives the number of registered vessels. The Florida Wildlife Commission maintains a manatee death database at http://research.myfwc.com/manatee.

Page 332 Exercise 14.18: The data are available at www.ncdc.noaa.gov/sotc/global/2014. The website explains that the twentieth-century average global temperature (combined land and ocean surface temperature) was 13.9˚C.

Page 333 Exercise 14.19: The homicide and suicide rates were found online at www.healthy.ohio.gov/vipp/data/county.aspx.

Page 336 Exercise 14.31: Quotation from the T. Rowe Price Report, Winter 1997, p. 4.

Page 336 Exercise 14.32: These data are for 2015 and were found at the following websites: www.statista.com/statistics/202743/hot-dog-prices-in-major-league-baseball-by-team/ and www.huffingtonpost.com/vinepair/the-price-of-a-small-beer_b_7836374.html.

Page 336 Exercise 14.33: These data can be found at the website of the National Oceanic and Atmospheric Administration, www.climate.gov/maps-data/datasets.

Page 337 Exercise 14.34: W. L. Colville and D. P. McGill, “Effect of rate and method of planting on several plant characters and yield of irrigated corn,” Agronomy Journal, 54 (1962), pp. 235–238.