## Class 7 Chapter-21 Collection and Organisation of Data (Mean, Median and Mode) (Ex 21A) Exercise 21.1 - Free PDF Download

## FAQs on RS Aggarwal Solutions Class 7 Chapter-21 Collection and Organisation of Data (Mean, Median and Mode) (Ex 21A) Exercise 21.1

**1. What is the importance of the Organisation of Data?**

To analyse the unorganised and messy data, you need to arrange it in a clear format in the tabulation or a bar chart. Organised data helps you define the results so you can come to the point of conclusion and explain things better to the world. Mean, median and mode are easy with organised data.

Class 7 Chapter 21 teaches you how to collect data and organise it in the desired format. You can join the online Maths tuition Class to learn this topic from experts Maths teachers. Register now.

**2. Is it necessary to solve the Exercise given in RS Aggarwal of Class 7?**

Yes, it is necessary to solve all the problems of the Chapters. NCERT textbooks consist of only a few questions which are not enough to get the desired contrast of the topics. Vedantu experts recommend solving a reference book like RS Aggarwal that gives you plenty of sums to solve. Class 7 subjects are significant in the long journey if you choose to take part in an olympiad, all these problems of RS Aggarwal will aid you.

**3. Does Vedantu provide solutions to the NCERT Exercise of Collection and Organisation of Data?**

You can find solutions to the Exercise questions on Vedantu; Maths experts of Class 7 have prepared these answers according to the CBSE guidelines. Collection and Organisation of Data is part of the Data Handling Chapter of the Class 7 NCERT textbook. It has included nine questions based on the tracked topic. You can easily download the solutions from the website after signing in with your email id or mobile number.

**4. Is it easy to get good marks in Class 7 Maths?**

It is easy to obtain marks in Class 7 Maths. All you need to do is practice hard but smartly. You can join our Vedantu pro online Class, where teachers explain to you every tiny detail with 3D visual Examples. RS Aggarwal of Class 7 works fine if you want more sums to solve apart from the NCERT. And the most important thing to do is revise Chapters regularly to return to what you have learnt.

**5. List out the important topics present in RS Aggarwal for Class 7 Maths Chapter 21?**

**The topics covered in the RS Aggarwal for Class 7 Maths Chapter 21 Collection and organisation of Data are:**

Collection of Data

Organisation of Data

Arithmetic Mean

Mode

Mode of Large Data

Median

These concepts are weighty from an Exam perspective. These topics follow the latest syllabus of the CBSE board and depend on the question paper design and marking scheme provided by CBSE.