# RD Sharma Class 9 Chapter 23 Solutions (Graphical Representation of Statistical Data)

RD Sharma Class 9 Maths Chapter 23 Graphical Representation of Statistical Data will prepare you to perform well in the CBSE exam. There are in total 3 exercises in Chapter 23 – exercise 23.1, 23.2 and 23.3 in RD Sharma Class 9 Maths Solutions. You will see 15 problems in RD Sharma Chapter 23. These questions are based on the idea of representing the statistical data graphically. It contains several details related to the graphical representation of statistical data.

As soon as you complete the NCERT Maths textbook, we suggest you refer to this effective and all-purpose reference book. It is a highly reliable study material that contains different types of indirect and tricky questions with detailed solutions. It will help you with a thorough revision of the chapter. This chapter forms the basics to several other related topics that you will be studying in higher standards.

To help you prepare well for the CBSE Class 9 Maths, our subject matter experts have prepared all the solutions keeping in mind the difficulty level. All these questions are of various difficulty levels. Referring to RD Sharma Solutions for Class 9 Maths Chapter 23** **will clear all your doubts and queries. These solutions cater to all your needs and requirements.

## Important topics for RD Sharma Class 9 Maths Chapter 23 Graphical Representation of Statistical Data

- This chapter is quite a basic one and introduces you to various concepts related to the graphical representation of statistical data.
- RD Sharma Class 9 Maths Chapter 23 Graphical Representation of Statistical Data lets you know that the facts or figures that have been collected with a definite purpose are called as data.
- If you are unsure what is statistics, then go through RD Sharma Class 9 Maths Chapter 23 Graphical Representation of Statistical Data to know that it is the branch of studies that deals with the presentation, analysis and interpretation of the given data.
- In RD Sharma Class 9 Maths Chapter 23 Graphical Representation of Statistical Data, you will get to know step by step, how to represent data in the form of bar graphs, frequency polygon and histograms.
- The chapter will introduce you to the various methods of plotting the given data in the form of bar graphs, histograms and frequency polygons.
- You will get a clear idea about several concepts like class interval, class frequency, and classmark and so on in RD Sharma Solutions Class 9 Maths Chapter 23 Graphical Representation of Statistical Data.
**Also, the chapter gives you a thorough explanation as to how to calculate the above-mentioned terminologies in an accurate and easy manner and use them in representing the data on a graph paper.**

### Exercise discussion for RD Sharma Class 9 Maths Solutions Chapter 23 Graphical Representation of Statistical Data

- The first exercise – Exercise 23.1 has just five questions.
- Questions 1 to 3 will give you the data of production of TV sets in 7 days, the number of cars sold by five different dealers and population of Delhi state in different years. You have to follow the methods learnt in the chapter and represent the given data in the form of bar graphs accordingly.
- 4th and 5th questions are figure based questions. You have to study the given bar graphs and answer the questions accordingly.
- Exercise 23. 2 comprises six questions.
- The 1st question is a theoretical one and needs you to explain about reading and interpretation of bar graphs.
- 2nd and 3rd questions are again figure -based questions. You have to study the given bar graphs and come up with exact answers.
- 4th, 5th and 6th questions give you data related to applicants registered in employment exchange, production of sealable steel and the route of Indian railways respectively. All you need to do is to follow the details and prepare bar graphs for representing the given data.
- Exercise 23.3 has four questions only.
- Question 1 needs you to represent the given data in the form of a histogram.
- In question 2, you have to prepare a histogram as well as a frequency polygon on the same axes for the given data.
- Question 3 is a bit different. You have to prepare a frequency distribution table for the given data and then draw a histogram based on that frequency distribution chart.
- The 4th question again needs you to draw a histogram and a frequency polygon together in the same diagram.

### Benefits of RD Sharma Class 9 Maths Solutions Chapter 23 Graphical Representation of Statistical Data

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