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

Last updated date: 23rd May 2024
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## RD Sharma Class 9 Maths Graphical Representation of Statistical Data Solutions - Free PDF Download

Free PDF download of RD Sharma Solutions for Class 9 Maths Chapter 23 - Graphical Representation of Statistical Data solved by Expert Mathematics Teachers at Vedantu. All Chapter 23 - Graphical Representation of Statistical Data Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks.

### Importance of the graphical representation of Statistical Data

The following are some of the benefits and advantages of utilizing graphs to interpret data:

• As the data is presented in facts and figures, the graph is the easiest to comprehend. Any information presented in the form of facts, numbers, or comparisons catches our attention and is easily remembered.

• It enables us to link and compare data from various time periods.

• It is used in statistics to figure out what the mean, mode, and median of a set of data are.

• It saves a lot of time by presenting the majority of the information in the form of facts and numbers. As a result, the data is compressed.

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## Class 9 RD Sharma Textbook Solutions Chapter 23 - Graphical Representation of Statistical Data

In this Chapter 23 - Graphical Representation of Statistical Data, several exercise questions with solutions for RD Sharma Class 9 Maths are given to help the students and understand the concepts better.

We have provided step by step solutions for all exercise questions given in the pdf of Class 9 RD Sharma Chapter 23 - Graphical Representation of Statistical Data. All the Exercise questions with solutions in Chapter 23 - Graphical Representation of Statistical Data are given below:

Exercise 23.1

Exercise 23.2

At Vedantu, students can also get Class 9 Maths Revision Notes, Formula and Important Questions and also students can refer the complete Syllabus & Sample Paper for Class 9 Maths to prepare for their examination to score more marks.

## FAQs on RD Sharma Solutions for Class 9 Maths Chapter 23 - Graphical Representation of Statistical Data

1. What are the advantages and disadvantages of the graphical representation of statistical data as discussed through the concepts of chapter 23 of class 9 Maths?

The graphical representation of data is an important concept of data analysis. One of the most fundamental ways to represent data is through data visualization. The following are some of its benefits:

• Learning is made easier and better.

• Usability flexibility

• Content is comprehended

• Increase the framework of your thinking

• Encourages imaginative thinking.

• Shows the summarized data

• A better way of Communication

In addition to the benefits, the graphical representation has some drawbacks. The downsides include the high cost of human work, the process of selecting the most appropriate graphical and tabular presentation, creative thinking, increased design to interpret information, data visualization, and the usage of human resources. The possibility of human prejudice has a significant impact.

2. What is meant by graphical representation of data in statistics as discussed in chapter 23 of class 9 Maths?

Graphs are effective tools for evaluating data. They give you a fast visual summary of the data. In statistics, the mean, mode, and median are used to represent data. The data is represented using box plots and histograms. These graphs show ranges, forms, concentrations, and extreme values, among other things. It investigates data between distinct sets as well as patterns, whether they are increasing or decreasing. Because graphical approaches are qualitative, they can be used for more than just comparison and data.

3. What are the rules for representing data using graphical representation as discussed in chapter 23 of class 9 Maths?

To properly express information in graphical form, there are a few guidelines to follow. The following are some of the rules:

Title: Make certain that the graph has a proper title that identifies the presentation's topic.

Scale: It should be used well to accurately depict data.

Measurement Unit: It is used to compute the distance between the box and the measurement unit.

Index: For a better understanding of the information given, differentiate proper colours, tints, and design graphs.

Data Sources: Wherever possible, include the source of information at the bottom of the graph. It adds to the information's credibility.

Keep it Simple: Maintain a straightforward approach: Make the graph straightforward for the reader to understand by constructing it in an easy-to-understand manner. The information presented in the graph is simple to comprehend.

4. How to prepare for chapter 23, Graphical Representation of Data for class 9 Maths?

To prepare for the chapter - Graphical Representation of data, it is important for students to be good with the basics of graphical representation. Students should possess strong basics so that they can learn more based on it. It is important for students to have good knowledge about concepts such as graphical representation, data sources, bar graphs, histograms, frequency polygon, algorithms etc. Students should also solve a lot of sample papers related to the chapter, as practice makes a man perfect. To access free study materials, students should utilize the Vedantu app and website.