# RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode) (Updated For 2021-22) RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation Of Data (Mean Median Mode): If you also find Class 7 Maths quite tricky, then we have a good recommendation for you. You can start studying RS aggarwal Solutions Class 7 Maths. All the solutions of RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode) are designed by subject matter experts for your better understanding.

Download the Free PDF of RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode) using the download link given in the blog. To know more, read the whole blog.

## Download RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode) PDF

RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode)

## RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode) – Overview

Chapter 21 of RS Aggarwal Solutions Class 7 Maths has 3 exercises based on Collection and Organisation Of Data. Before you start with the questions, you must know the following terms:

1. Mean: A Mean is the average of all the numbers which is calculated by dividing the sum of all the numbers by the total number present.
2. Median: The middle number of the series is called a Median, and can be calculated by using the formula present in the PDFs.
3. Mode: The number of times a number appears in a series is called a Mode.
• In the first exercise, there are seven questions related to the basics of Mean along with one-liner questions. You will also get to know about the basic concepts of making the frequency tables.
• You can prepare a frequency table by arranging the numbers in a descending or ascending order and accordingly making a table of the number of times that digit was repeated.
• In the second exercise, you will be answering 5 questions based on calculating the Median. It also different calculus methods if the total number of digits present is even or odd.
• The third exercise is a short one, having only 2 questions in which you have to calculate the Mode. You will be asked to arrange the number in ascending and descending order to calculate the mode.

## RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode) – Important Exercises

RS Aggarwal Solutions Class 7 Maths Chapter 21 Ex 21.1

RS Aggarwal Solutions Class 7 Maths Chapter 21 Ex 21.2

RS Aggarwal Solutions Class 7 Maths Chapter 21 Ex 21.3

This is the complete blog on RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode). To know more about the CBSE Class 7 Maths, ask in the comments.

## FAQs on RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode)

### How many exercises are there in RS Aggarwal Solutions Class 7 Maths Chapter 21 Collection and Organisation of Data (Mean Median Mode)?

There are 3 exercises in this chapter.

### How many questions are there in RS Aggarwal Solutions Class 7 Maths Chapter 21 Ex 21.3?

There are 2 questions in this exercise.

### Define a Median.

The middle number of the series is called a Median.

### Define a Mean.

A Mean is the average of all the numbers which is calculated by dividing the sum of all the numbers by the total number present.