2.37 The file contains the cost per ounce ($) for a sample of 14 dark chocolate bars: DarkChocolate SELF BBCost Test 54 CHAPTER 2 Organizing and Visualizing Data FIGURE 2.14 Cumulative percentage polygons of the 2009 return of intermediate government bonds and short-term corporate bond funds Figure 2.14 shows cumulative percentage polygons created using Excel; Figure 2.13 shows cumulative percentage polygons created using Minitab. 0.68 0.72 0.92 1.14 1.42 0.94 0.77 0.57 1.51 0.57 0.55 0.86 1.41 0.90

a. Construct an ordered array. b. Construct a stem-and-leaf display. c. Does the ordered array or the stem-and-leaf display provide more information? Discuss. d. Around what value, if any, is the cost of dark chocolate bars concentrated? Explain