Frequency Distribution Table - Know Its Meaning, Types and Ways

This Blog Provides Extended Knowledge on Frequency Distribution Table to Help You Understand and Deliver Correct Data

20 Nov 2023 308 15 minutes

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Have you seen your mark sheet? It is a frequency distribution table or its form as it provides details about your performance in different subjects. It is easy to read and analyse, isn't it? Now, put yourself into the shoes of your professors and ask how they manage to read and understand your annual result. It just kicked up a notch, right? Why? Because the data just multiplied to the heavier number. That is where frequency tables come to the rescue, as they help you examine the data from different angles to get accurate outcomes. Here comes a problem. The second you read this method, you start applying it to your work. That is what provides negative results as you do not attempt to ask, What is a frequency table?

Thus, this blog initiates the learning process from zero by answering this question first to set an informative base. So, stay attentive to grasp the concept.

What Does the Term Frequency Distribution Table Mean?

Meaning act as a summary of the topic to understand the area it operates. So, it is essential to learn and interpret the meaning behind it. Hence, below mentioned is the definition in simple context:

“The term frequency distribution table is a construct containing three individual concepts:

  • Frequency: States the repetition of a specific numerical.
  • Distribution: An arrangement of data for the reader to look at.
  • Table: A medium to check and observe the distribution.

Thus, when you combine the above-given three concepts to form one construct, you make frequency distribution table. So, the definition of this term is, “A table or an Infographic that helps to arrange the collected information into a sequence or an order to amplify its meaning.” So, you can summarise it as a table for readers with simplified data.

Also, it contains an easy-to-remember structure. The frequency graphs have two columns, variables or figures and their occurrence. It helps check the times a specific digit appears in a group or individual reading. Let us see an illustration to understand:

For example, a teacher conducted tests of 50 marks. The following table shows the variation in grades of the entire class:

Marks Groups

Frequencies

0-10

2

11-20

4

21-30

6

31-40

5

41-50

3

Total

20

The above frequency table example shows a simple demonstration of what it looks like. However, you need to remember a few features while drafting it. Hence, the following section provides valuable details on them.

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Essential Parameters to Make Frequency Distribution Table

Features help you interpret what it contains to draft it with less difficulty. It also highlights the shadowed concept behind the entire calculation. They hold huge importance if you aim to learn it. Hence, the following are the features of the frequency distribution table:

  • Measure of Central Tendency: Mean, Median and Mode
  • Measure of Dispersion: Range, Variance and Standard Deviation

Let us examine them further.

Central Tendency Measure:

This process contains more names, like a measure of central location, that gives a clue about its method. It works to read the collected data through a single digit or variable representing the median part of the lot. A frequency bar chart is calculated using the following methods it contains:

  • Mode: This process observes the highest occurred variables in the collected details. When you gather the data, you can find multiple mode variables, one or zero mode.
  • Median: With median, you need to concentrate on locating the central data after arranging the data into an accurate sequence. That middle number is the median.
  • Mean: It is a widely accepted and applied form for a frequency distribution table. All you need to do is calculate the total frequencies and divide it by their count.

Dispersion Measure:

This method contains a heading, dispersion, which means observing the data at a wider scale. In the scope of statistics, it is a process to measure the variation in distributing the facts to an extended range. A frequency distribution table requires the following methods:

  • Range: This is the easiest way to examine the variations in the data. It calculates the difference between the smallest and largest value or digit in the overall distribution.
  • Variance: In general study, this method calculates the distance between the obtained variable and the mean.
  • Standard Deviation: It depends on the variance as you need to find its square root to denote standard deviation. Many experts rely on this method to calculate frequency distribution.

The above methods explain the parameters to calculate this table. However, calculation cannot demonstrate the correct analysis, as you need to know how to make it. If you fail to design it accurately, you fail to reach the desired result. Thus, the following section covers the steps you need to construct a correct frequency distribution table.

Necessary Steps to Develop Frequency Distribution Table

Every piece of creation, like a pie chart, bar graphs, or other graphical images, requires a ladder approach. It is known to list the essential steps in a sequence to ensure the process does not skip a vital element. You apply a similar mechanism to draft the table to find out frequency distribution.

So, it is time to delve into such steps to know the actual order of drafting this index directory:

Step-1: The initial step is generic yet quite substantial in its making. You need to know it should have clarity, so make two columns in the table and name the first one per the data you collected. Thus, the second becomes the frequency, but you can add tally marks in a third column for better presentation.

Step-2: The next step decides the type of table you want to construct. It depends on the data you collect as you observe and find the category it is falling in. Write the data in their respective column of the frequency distribution table.

Step-3: Here, you need to check for the frequency of each variable in the list. Simply, you need to count the number of repetitions of each digit to learn its occurrence.

Step-4: Once you have filled up the frequencies, learn the best method associated with the category of table you are framing. Follow the necessary procedure to find the conclusion.

Step-5: Apply the required technique and find the correct answer to demonstrate the accuracy of your work.

These are the necessary steps you should keep in mind while drafting it. After learning these steps, you come close to answering the question you asked earlier, “What is a frequency distribution table?” However, there is more to it than you know right now. Therefore, the below section covers its classification you should know.

Different Classifications of Frequency Distribution Table

Types of Frequency DIstribution Table

Thinking of it as an ordinary directory is your first mistake while making it. There are various divisions under this, and since you are drafting it, you must develop some idea about them. So, the following are the categories of frequency graphs you can create:

Grouped Frequency Distribution Table:

This type consists of data divided or mentioned in the table under specific classes or groups. It does not keep a discrete indication but ranges the data. It observes the data and sees if it is required as grouped or presented individually. This type allows you to study large quantity of information by dividing it into compressed intervals. Moreover, you can find valuable perception through minimal observation. You can ask for

Ungrouped Frequency Distribution Table:

When you aim to acquire a specific frequency of the data, these types of frequency graphs come in handy. While its counterpart indicates the data in different classes, this one puts them individually to find the occurrence of the specific digit. Many of you ask for maths assignment help from experts as you do not know one condition. The data should be limited and short. You can see the below-mentioned illustration for you:

Obtained Marks in Exams

No. of Students

25

3

20

6

15

4

10

5

5

2

Total

20

Cumulative Frequency Distribution Table:

These frequency graphs help you see the data count from below or above. You obtain this result through the running-total process, where you add the frequencies to get a cumulative outcome of their occurrence. In this method, sometimes you calculate percentage ranks, as well, for better understanding. You can understand the working from the below-mentioned illustration for frequency table example:

Marks Groups

Frequencies

Cumulative Frequency (Cf)

Cumulative Percent (CP)

0-10

2

2

10

11-20

4

6

20

21-30

6

12

30

31-40

5

17

25

41-50

3

20

15

Total

20

 

100

Relative Frequency Distribution Table:

When you are appointed or assigned to find the part of the distribution from its frequency, this is the one you can adopt. This type of frequency distribution table helps to find the fractions out of the sum of the occurrence. It specifies the area percentage a data covers in the total number of repetitions. Divide the frequency value from its total and multiply it by 100.

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Discrete vs Continuous Frequency Distribution Table:

The discrete type focuses on the distinct values from the distribution. It does not create any class groups but denotes the frequencies on the basis of repetition. However, continuous create classes to represent the reading of the data. But it does it with a slight change by continuing the group with the last digit from the previous set.

Frequency graphs contain these classifications, so you should not frame this directory without learning about them. However, as you know more, you have more questions. So, the following section covers such queries you frequently ask about this topic.

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Frequency Distribution Table - Frequently Asked Questions

Q1. Define Frequency Distribution Table and What Is Its Purpose?

Frequency graphs help you arrange the data to know about their occurrence to find accurate results. Its purpose is to understand the complex data in fewer hours and can give you a glance even if the digits are much in quantity.

Q2. What Steps to Follow to Create Frequency Distribution Table?

First, you need to collect and interpret the collected data. Second, understand the type to assign the right table type for it. Third, count the frequencies of the values and last, calculate the sum of the occurrence.

Q3. What Effects Does Outliers Bring on Frequency Distribution Table?

Outliers stand at an unquantified distance from the central digit. If the data contains much of them, dispersion and central location face the impact. However, the median and mode remain un

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