2.18 Fertility rates The fertility rate for a nation is the average number of children per adult woman. The table below part c shows results for western European nations, the United States, Canada, and Mexico, as reported by the United Nations in 2005.

a. Construct a stem-and-leaf plot using stems 1 and 2 and the decimal parts of the numbers for the leaves. What is a disadvantage of this plot?

b. Construct a stem-and-leaf plot using split stems. (Take the first stem for 1 to have leaves 0 through 4, the second stem for 1 to have leaves 5 through 9, and the stem 2 to have leaves 0 through 4.)

c. Construct a histogram by using the intervals 1.1–1.3, 1.4–1.6, 1.7–1.9, 2.0–2.2, 2.3–2.5.

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Country Fertility Country Fertility Austria 1.4 Netherlands 1.7 Belgium 1.7 Norway 1.8 Denmark 1.8 Spain 1.3 Finland 1.7 Sweden 1.6 France 1.9 Switzerland 1.4