Chapter 2

Question 1

Class

Answer 1

is one of the categories into which qualitative data can be classified

Question 2

class frequency

Answer 2

is the number of observations in the data set falling into a particular class

Question 3

Class relative frequency

Answer 3

is the class frequency divided by the total number of observations in the data set; that is

class relative frequency= class frequency/n

Question 4

Class percentage

Answer 4

is the class relative frequency multiplied by 100; that is, class percentage= class relative frequency * 100

Question 5

Descriptive Methods of Qualitative Data

Answer 5

• Bar Graph
• Pie Chart
• Pareto Diagram