Chapter 2 Vocabulary

• Bar graph (bar chart) (p. 43)
• Clustered bar graph (p. 48)
• Crosstabulation (two-way table, contingency table) (p. 45)
• Frequency (count) (p. 41)
• Frequency distribution (for qualitative data) (p. 41)
• Pareto chart (p. 44)
• Pie chart (p. 44)
• Relative frequency (for a qualitative variable) (p. 42)
• Relative frequency distribution (for qualitative data) (p. 42)

• Bell-shaped curve (p. 72)
• Class (p. 61)
• Class boundary (p. 62)
• Class limit (lower) (p. 62)
• Class limit (upper) (p. 62)
• Class midpoint (p. 66)
• Class width (p. 62)
• Distribution of a variable (p. 72)
• Dotplot (p. 70)
• Frequency distribution (for quantitative data) (p. 61)
• Frequency polygon (p. 67)
• Histogram (p. 65)
• Relative frequency distribution (for quantitative data) (p. 61)
• Skewed distribution (p. 73)
• Stem-and-leaf display (p. 68)
• Symmetric (p. 73)

• Cumulative frequency distribution (p. 87)
• Cumulative relative frequency distribution (p. 87)
• Ogive (p. 88)
• Time series plot (time series graph) (p. 89)