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Biostatistics by P. Mariappan

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Chapter 4

Measures of Central Tendency

Objectives

After completing this chapter, you can understand the following:

  • The definition, meaning and significance of measures of entral tendency [MCT].
  • The calculation of different MCTs such as arithmetic mean, median, mode, geometric mean and harmonic mean.
  • The relationship between the different averages.
  • How these measures can be used to make decisions related to biological studies?
4.1 INTRODUCTION

Statistical methods are needed for summarizing and describing the collected numerical data. The main objective of this chapter is to introduce one representative value, which can be utilized to identify and summarize an entire set of data. This representative value is going to be very much helpful ...

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