
Charts and Graphs
67
Chapter 2
PB
KEY TERMS
Bar chart, 21
Class midpoint, 19
Cumulative frequency, 20
Frequency distribution, 18
Frequency polygon, 38
Histogram, 34
Ogive, 44
Pareto chart, 47
Pie chart, 28
Relative frequency, 19
Scatter diagram, 53
Stem-and-leaf plot, 50
DISCUSSION QUESTIONS
1. What is a frequency distribution and how can it be used in
data summarization?
2. What is the importance of diagrammatic presentation in
managerial decision making?
3. Explain the different types of charts and graphs.
4. What is the concept of a bar diagram and how does it
support managerial decision making?
5. What are the specifi c situations in which the use ...