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Biostatistics by P. Mariappan

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Chapter 3

Data Presentation

Objectives

After completing this chapter, you can understand the following:

  • The meaning of data classification and its kinds.
  • The different methods of condensing the data collected.
  • Method of converting the collected data in the form of table.
  • Various graphical representations of data and its importance.
3.1 INTRODUCTION

The successful use of data collected depends on the way in which it is arranged, displayed and summarized. As a part of it, this chapter is going to discuss the presentation and condensation of data.

3.2 CLASSIFICATION OF DATA

It is the process of arranging the data based on the similarities and dissimilarities. It is nothing but sorting.

3.2.1 Types of Classification

The data can be classified ...

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