Summary
Contents
Subject index
With an emphasis on description, examples, graphs and displays rather than statistical formulae, this book is the ideal introductory guide for students across the social sciences.
Spreads
Spreads
Will an average alone be enough to describe the distribution of some data?
No! The two distributions in Figure 5.1 have the same mean, the same mode and the same median. However ‘distribution 1’ is short and fat while ‘distribution 2’ is taller and thinner. In other words the two distributions have different spreads.
FIGURE 5.1
Don't worry - you haven't just stepped into a sandwich making ...
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