CLEVELAND, WILLIAM S. The Elements of Graphing Data, rev. ed., Hobart Press, Summit, NJ, 1994. A careful study of the most effective elementary ways to present data graphically, with much sound advice on improving simple graphs.

JOINER, B. L. Living Histogram, International Statistical Review, 3 (1975): 339-340. This article examines how the percentage of females in groups of students can affect the shape of "living histograms" of height.

LESSER, LAWRENCE M. Critical values and transforming data: Teaching statistics with social justice, Journal of Statistics Education 15(1) (2007): www.amstat.org/publications/jse/v15n1/lesser.html. Resources for finding social justice data to extend Writing Project 2.

MOORE, DAVID S, WILLIAM I. NOTZ, and MICHAEL A. FLIGNER. The Basic Practice of Statistics, 10th ed., W. H. Freeman, New York, 2015. This text is a natural next step to learning more detail on all the material in Part II, at about the same mathematical level. The first three chapters provide a more extensive treatment of the material of Chapter 5.

ROSSMAN, ALLAN J., and BETH L. CHANCE. Workshop Statistics: Discovery with Data, 4th ed., Wiley, Hoboken, NJ, 2011. A different approach to basic data analysis, using hands-on activities. There are several versions, keyed to graphing calculators and to several different software packages.