Biostatistics Study Materials

Frequency Distribution Table: Definition with Examples + PPT


What is Frequency Distribution?

Frequency Table / Frequency Distribution
(Definition, Construction and Significance of Frequency Distribution)

In the previous post, we have discussed the concept of Tables and Tabulation of Variables in Statistics. Here we will discuss the concept of Statistical Tables better known as Frequency Distributions of Frequency Tables.

Statistical Tables

Ø  There are different types of tables in statistics.

Ø  The most common type of table in the statistics is ‘Frequency Table’ or ‘Frequency Distribution’.

Ø  Frequency Distribution definition: “The frequencies of occurrence of data values are presented in tabular form in the ascending order of magnitude”.

Ø  It is a statistical table that shows the frequency of various outcomes in a sample.

Ø  The frequency table shows the total for each category or group of data.

Example: A raw data and its frequency distribution is given below

Example of Frequency table

Ø  A frequency table composed of TWO components:

(1).   Class

(2).   Frequency

Class and Frequency

Ø  When a population is divided into small groups on the basis of some attributes or characteristics, each such group is considered as a class.

Ø  In each class, the number of individual value of that particular feature is one or many.

Ø  Such occurrence of individuals in a class is called frequency.

Thus a Frequency Table is “the arrangement of distribution of individuals of a class which displays the frequency of the individuals according to a characteristic.”

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