Research Methodology

chapter 4

BASIC STATISTICAL MEASURES

Objectives:

After completing this chapter, you can understand the following:

• Different types of scales
• Measures of central tendency
• The definition of skewness and its measure
• Measure of variation
• The definition of probability distribution

Science fiction author H. G. Wells in 1903 stated, “Statistical thinking will one day be as necessary for efficient citizenship as the ability to read and write”. Statistics is a set of perception, procedures and rules that help to organize numerical information in any form such as graphs, tables or charts. It also helps to understand statistical techniques that primarily affect our life in decision making or make informed decisions. Simple statistical tools are ...