INTRODUCING DATA ANALYSIS

 

 

You are to work through the slide show and answer the questions as you go along.  This exercise is not a race but a learning process, so take your time and make sure that you understand each slide.

 

 

Slides

 

 

Questions

 

Answers

4

 

 

 

 

What do you understand by the term ‘Quantitative Data’?

 

5

What do you understand by the term ‘Qualitative Data’?

 

6 20

What is ‘nominal data’?

 

How would you represent nominal data graphically?

 

21 23

What is ordinal data?

 

24 30

What is ratio data?

 

24 30

What is interval data?

 

 

What are the three levels of data?

 

 

 

Show that the following set of data represents ratio data:

 

X     2     4     6     8

Y   26   52   78  104

 

 

Show that the following set of data represents interval data:

 

X     2      4      6      8

Y   39    65    91  117

 

 

What methods do you know of for representing nominal data?  [Use diagrams to illustrate your answer.]