# RS Aggarwal Class 9 Chapter 17 Solutions (Bar Graph, Histogram and Frequency Polygon)

RS Aggarwal Class 9 Maths Solutions Chapter 17: Bar Graph, Histogram and Frequency Polygon is your ultimate practice book. In this chapter of RS Aggarwal Class 9 Maths Solutions, there are two exercises – 17A and 17B. Exercise 17A has 12 questions, while exercise 17B has 16 questions. All these questions involve the representation of a given data by plotting them according to the given directions. The questions also involve specific calculations.

It is necessary to refer to other supplementary books, other than the NCERT textbook. R S Aggarwal Chapter 17 Bar Graph, Histogram and Frequency Polygon is perhaps the best supplementary book that can cater to your needs. The extra questions it contains prepare you for the exams. R S Aggarwal Chapter 17 Bar Graph, Histogram and Frequency Polygon covers different topics and concepts related to collection and representation of a given data. You can strengthen your basics by going through topics like bar graphs, histograms, frequency polygon, and so on.

The problems in R S Aggarwal Chapter 17 Bar Graph, Histogram and Frequency Polygon can get quite overwhelming at times. You may feel puzzled and highly confused. If you are doing it all alone without the help of a teacher or tutor, then the RS Aggarwal Class 9 Maths Solutions Chapter 17 will be highly beneficial for you. If you ever feel stuck up, then refer to RS Aggarwal Class 9 Maths Solutions Chapter 17. You will be able to solve the problems by understanding the solutions from RS Aggarwal Class 9 Maths Solutions Chapter 17. Once you are capable of solving the tricky questions, you will gain more confidence and control over the chapter. Instasolv’s RS Aggarwal Class 9 Maths Solutions Chapter 17 is a brilliantly designed supplementary book which will help you in quick revision of Chapter 17 Bar Graph, Histogram and Frequency Polygon. The solutions have been prepared by following the guidelines of CBSE.

**Important topics for** **RS Aggarwal Class 9 Maths Solutions Chapter 17: Bar Graph, Histogram and Frequency Polygon**

- Facts and figures, when collected with a definite purpose, are known as data.
- Statistics is the branch of studies that deals with the presentation, analysis and interpretation of data.
- You will get to know in Chapter 17: Bar Graph, Histogram and Frequency Polygon how to represent data in the form of bar graphs, frequency polygon and histograms.
- You will be introduced to the step by step methods of plotting the given data in the form of bar graphs, histograms, and so on.
- Chapter 17: Bar Graph, Histogram and Frequency Polygon will also make you well versed with the concepts like class frequency, class interval, and classmark, and so on.
- You will get to know how to calculate the above-mentioned terminologies and use them in the representation of data on graph papers.

**Exercise discussion for** **RS Aggarwal Class 9 Maths Solutions Chapter 17: Bar Graph, Histogram and Frequency Polygon**

- There are in total of 28 questions in Exercise 17A and 17B.
- The 12 questions of Exercise 17A has sums related to the representation of data using bar graphs.
- Exercise 17A is comparatively easy when you look at exercise 17B.
- 17A provides you with different types of data like number of students participating in school games, the temperature of the city, velocities of different vehicles, favourite sports of a specific number of students, year-wise strength of a school, number of scooters sold and so on.
- You have to use these data, plot them on x and y-axis accordingly and represent the data on the bar graphs.
- The questions in exercise 17B require you to represent the given data in the form of histograms and frequency polygons.
- Different frequency distributions will be given, and you need to make the necessary calculations and plot the data on a graph paper in the form of a histogram or frequency polygon.
- You need to keep in mind factors like class interval, frequency, classmark, and so on.

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- Instasolv’s RS Aggarwal Solutions for Class 9 Maths Chapter 17 will help you in practising and revising the Chapter 17 Bar Graph, Histogram and Frequency Polygon in an in-depth manner.

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