Chapter 3
Measures of Central Tendency
LEARNING OBJECTIVES
After studying this chapter, you should be able to
understand the role of descriptive statistics in summarization, description and interpretation of the data.
understand the importance of summary measures to describe characteristics of a data set.
use several numerical methods belonging to measures of central tendency to describe the characteristics of a data set.
We can easily represent things as we wish them to be…
—Aesop
If at first you do not succeed, you are just about average.
—Bill Cosby
3.1 INTRODUCTION
In Chapter 2, we discussed how raw data can be organized in terms of tables, charts, and frequency distributions in order to be easily understood and analysed. Although ...
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