# NCERT Books Class 11 Statistics

Nearly 20,299 schools in India are part of the Central Board of Secondary Education (CBSE). In addition, the National Council of Educational Research and Training (NCERT) is responsible for the publication of textbooks for all of the subjects taught in these institutions and other schools; an example of this would be the NCERT books for Class 11 Economics and Statistics. They are also in charge of developing the curriculum that would be used in CBSE examinations.

Since it offers such a valuable understanding of the topic, the NCERT Statistics book is required reading for students who will be taking the final test for the CBSE Class 11 level.

Students frequently have the impression that a subject like Statistics is difficult to understand because of its reliance on data and numerical figures. Nevertheless, the NCERT book of Statistics for Class 11 is there to assist you by turning the entire learning process into one that is enjoyable and simple to understand.

### An Introduction to NCERT Statistics Book Class 11

A specific focus and a methodical approach are needed to fully understand a subject like Statistics. Clarifying the fundamentals is also crucial, in addition. Then kids will be able to perform well on their board exams. Thus, NCERT books for Class 11 Economics Statistics attempt to provide students with sufficient instruction so that studying from the book alone will benefit them in all respects.

Class 11 Statistics syllabus is followed in NCERT publications rigorously. It guarantees that students won’t have to prepare using many different study materials. Download the NCERT book for Class 11 Statistics in PDF to study according to the CBSE Statistics syllabus.

### Chapter 1: Introduction

The first chapter of the NCERT textbook Statistics for Economics, Class 11, concentrates on the various essential elements of Economics. It then defines statistics and what it includes for a general understanding of the subject’s scope. This chapter discusses the key aspects of statistics in a plural sense based on Bowley’s definition of statistics.

As indicated by Seligman, this chapter also provides a description of statistics in their narrow context. Additionally, students learn about the importance of statistics in economics. The subject’s scope is limited as the chapter comes to a finish.

Students can evaluate their understanding of the material by answering some questions in an exercise that follows the chapter.

### Chapter 2: Collection of Data

Students go on to the following chapter of the NCERT book for Class 11 Economics Statistics, where they learn about the two sources of data and the sorts of data. They are known as primary and secondary data, respectively, and the distinction between the two types of data is discussed further in this chapter.

This chapter also provides an in-depth analysis of the statistical methodologies that were applied during the data collection process. Here is a list of those procedures.

Direct personal investigation

Indirect oral investigation

Information from correspondents or local sources

Information gathered through schedules and questionnaires.

Census

Sample

In addition to that, this chapter gives insight into a variety of procedures that are used to collect samples, as well as the reliability of those approaches.

### Chapter 3: Organisation of Data

Classification is discussed in depth in the third chapter of the NCERT Statistics book for Class 11, which covers one of the most important aspects of statistical analysis. This chapter covers everything, beginning with the purpose and continuing on to the features of effective classification.

This chapter teaches students the many types of statistical series and the different sorts of statistical patterns. A majority of them are composed of

• Individual series.
• Frequency series

This chapter devotes a lot of attention to the discussion of frequency distribution, which is an important aspect of the covered topic. Additionally, it includes a practice test with questions that are similar to those that may appear in the examination. Therefore, by repeatedly working through these exercises, students will be prepared to respond appropriately to any questions they may ask in the examination room.

### Chapter 4: Presentation of Data

This chapter of the NCERT books for Economics Statistics Class 11 covers the various ways that data can be presented in statistics. These methods are included in the chapter. The various kinds are described in the following.

• Textual
• Tabular
• Diagrammatic

Additionally, each category has several distinguishing qualities elaborated upon in this chapter. Reading this chapter, students can quickly understand the significance of graphs in statistical analysis and the various kinds of graphs.

Nevertheless, one cannot simply make a graph since one must adhere to certain guidelines. One can obtain accurate and useful quantitative data if one follows the guidelines. The chapter concludes by discussing the benefits of using graphs to represent data and the constraints of doing so.

### Chapter 5: Measures of Central Tendency

This chapter focuses on the value that is located in the middle of a statistical series. The various facets of statistical measurements are the primary topic of discussion throughout the majority of this chapter. Economics students can grasp how to compute the arithmetic mean step by step using the information provided in this chapter of the NCERT books for Class 11 Economics Statistics. Students can quickly acquire the tips and strategies to calculate various statistical data by following the instructions in this book. For instance, the proper applications of terms like the median, percentile, quartiles and mode can frequently become difficult and convoluted.

The NCERT books, on the other hand, have been written in a way that makes it easier for students to understand all of these different components, allowing them to acquire the concepts more rapidly and without spending as much time. In addition, you can immediately make your concept evident by successfully completing the activity at the very end.

### Chapter 6: Measures of Dispersion

In the field of statistics, dispersion is a significant concept used to assess a data set’s variation. The many facets of dispersion are brought to the forefront in the primary focus of this chapter from the NCERT books for Class 11 Economics Statistics. Students will become familiar with the many techniques that can be used to measure dispersion. The following is a list of some of them:

Range

Mean Deviation

Quartile deviation

Standard Deviation

This chapter devotes extensive attention to each subject, covering many specifics. Students frequently report that these computations appear incomprehensible and difficult to them; as a result, they gradually lose interest in these essential ideas.

However, by studying this book, they will be able to readily interpret the process of these procedures and their suitable usage, which will bring about the most accurate outcome that is conceivable.

### Chapter 7: Correlation

A method determining the quantitative link between two separate variables, such as demand and price is called a correlation. It can be divided basically into two categories.

• Positive correlation
• Negative correlation

Learners will additionally improve their understanding of the degree of connection as a result of reading this chapter, in addition to the previously mentioned benefits. In addition, there are a variety of approaches that can be used to assist in the estimation of correlation. In the textbook that the NCERT provides for Class 11 Economics Statistics, the theory that Karl Pearson developed on the coefficient of correlation is also an essential component of this chapter.

In addition to that, to get at the end result, this approach considers some particular guidelines, such as the short-cut and step deviation approaches. This book makes all of these ideas clear and straightforward by providing illustrative examples and an in-depth theory explanation.

### Chapter 8: Index Numbers

Students need to gain a clear understanding of the index number, which is another important statistical device, to have a solid grasp of the topic. Whether you are studying for a national entrance exam or a board exam, or if you are preparing for any other type of national entrance test, you must have a solid understanding of this topic after then, and only then will you have the ability to handle any question type that may come up throughout the exam.

Download the NCERT books for Class 11 Economics Statistics for a more understandable presentation of ideas such as constructing index numbers and other related subjects. For instance, there are several varieties of index numbers, such as basic and weighted index numbers; consequently, the procedures used to build them will differ as per these variations. After reading this chapter, you will better understand how to discriminate between the two.

### Chapter 9: Use of Statistical Tools

The final chapter of the NCERT books for Class 11 Economics Statistics provides all of the data kinds that are necessary to carry out a statistical operation. These data types are listed in the order in which they are required. Several essential statistical ideas were discussed in the chapters that came before this one. On the other hand, the focus of this chapter is entirely on implementing those ideas in the real world.

To accomplish this, several different methodologies are carried out in sequential order. These Are Among Them:

• Introduction
• Identifying a particular area of study
• Target group
• Data collection
• Presentation of data in an organised way
• Analysis
• Conclusion
• Submission of project

Students can provide correct statistical results upon successfully completing steps that are presented in sequential order.

Students can easily grasp the concepts without making mistakes if they read this book because it has many examples to illustrate them.

## Why are NCERT Books Essential for CBSE Board Exam Preparation?

There are a lot of books for Class 11 Statistics available on the market right now. Despite this, students frequently place NCERT books at the top of their reading lists. What do you believe the possible explanation for that could be? Take into consideration the several facets listed below to understand this.

### Let’s Take a Look!

• Students can acquire a sound understanding of the fundamentals by reading any NCERT book, regardless of the field of study, because these books contain in-depth discussions of each and every topic. Students who have built a solid foundation in any topic are better prepared to perform well on tests and achieve high scores. Simply memorising all the information in a subject won’t get you practically that far. As a result, the NCERT emphasises delivering high-quality instruction to students to develop a deeper appreciation for the material beyond simply improving their test scores.
• Students can acquire a good sense of the kinds of questions on their board examination by doing the activities provided at the end of each chapter in the NCERT textbook for Class 11 Economics and Statistics. These exercises have been designed to demonstrate full mastery of the topic at hand and an understanding of the underlying concepts of the various chapters. In addition, about 95 per cent of the questions that are on the CBSE board exams are taken from these textbooks. Therefore, having the students complete these tasks will allow them to answer questions more quickly.
• In addition to this, NCERT publications are distinguished by the presence of simplified diagrams and illustrations drawn from real-world situations. Students can better connect what they learn in the classroom and what they see outside. Students do not need to memorise the lesson because multiple examples are contained inside each topic. Instead, they should focus on memorising the principles to properly answer questions during the exam. Because of this factor, lecturers frequently make reference to these texts when delivering their teachings in the classroom.
• The ready availability of NCERT books contributes to the popularity of these textbooks. These books can be purchased in physical stores as well as online. If a student does not feel comfortable reading books online, they have the option to acquire a real copy of the book from any reputable bookstore. On the other hand, students who are interested in economising on purchases of this kind have the option of downloading the NCERT books in PDF format and carrying on with their academic preparation in a manner that is most convenient for them.

After considering all of these aspects, it is simple to see why they are gaining so much popularity. Download the NCERT books that are required for Class 11 Economics and Statistics right now so that you can get a head start on your studies and preparation for the exams.

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Extramarks has built its stellar reputation on the principle that it is committed to eliciting the highest possible performance from each individual student. For this purpose, we have all of the instructional machinery, beginning with notes and progressing all the way up to PDF books, online books and models of questions. Students have the misconception that our online learning platform can fulfil all of their academic needs in a single, convenient location.

Don’t let this cause you concern, even if you’re having trouble with tough subjects like statistics. Start preparing for the upcoming tests by downloading the NCERT books that are required for Class 11 Economics and Statistics. In addition, you are welcome to participate in our online session to get any questions answered.

Get the Extramarks app for your smartphone right now to ensure that you are always up to date on any information about your studies.

### 1. Why is it important to have a solid understanding of statistics as a subject?

You will be able to utilise appropriate ways to collect information and data after understanding statistics comprehensively. Then you will be able to generate many reports using the information and data that you have collected. Manually compiling reports is a laborious process that is prone to human error. Statistics, which employs scientific methodologies and systematic procedures to arrive at the most accurate results, must be utilised to circumvent this challenge. In addition, it simplifies the entire data arrangement, calculation and analysis process, saving a significant amount of time and eliminating many unnecessary headaches.

### 2. How many chapters are there in Statistics Class 11 Economics?

The Statistics and Economics curriculum for Class 11 offered by the CBSE comprises a total of nine different chapters. To give students a general understanding of the topic, the first chapter of this book is dedicated to providing a fundamental introduction to statistics. The next chapters then continue to focus on the subjects that are significant for the Class 11 curriculum. The ninth and last chapter discusses essential statistical tools required to deliver an accurate statistical report and perform other real-world applications.

### 3. How can one get better marks in Statistics?

Statistics is a topic that covers a lot of ground, and as a result, to gain a strong grasp on it, you need to understand everything there is to know about it. If you are a statistics student, you should first carefully read through all the chapters in the NCERT classes for Class 11 Economics and Statistics. After you have finished reading, begin working through each chapter’s problems. Finally, before your test, set aside some time to go back through the entire book and review it. If you follow these instructions, you should have no trouble doing well on the test.

### 4. Which books should students of the CBSE board follow when studying Statistics?

To understand the curriculum, students enrolled in CBSE Class 11 should begin by reading the NCERT book for Statistics. Then, if students feel as though they require further consultation from other works for the purpose of reference, they can look to TR Jain and VK Ohri’s Statistics for Economics. In addition to that, the book on statistics written by Sandeep Garg is an option worth considering. However, proper review of the material and consistent practice are necessities to achieve success in Statistics. This is true regardless of the textbook you choose to use.

### 5. What benefits do the NCERT texts offer the student?

The question papers that were prepared for the test for class 11 contained questions that were based on the curriculum that was included in these NCERT texts. These NCERT textbooks come highly recommended by the CBSE and were crafted by subject matter specialists to cater to the academic requirements of the students.

These chapters benefit the student in terms of their academic performance on the class 11 examination and their future prospects. They enable the students to broaden their knowledge and deepen their understanding of the subject matter. Therefore, it is essential for each and every student to carefully read through the materials provided by NCERT. These books are available for no cost and may be downloaded quickly and conveniently from the Extramarks website.

### 6. How should one be ready for the statistics Exam in Class 11?

For the students to perform well in the examination and secure good grades, they need to follow the steps that have been given to them;

Create a timetable that has been well laid out, and then make it a priority to stick to it.

Finish each day’s tasks without forgetting anything and without missing anything. This will assist the student in completing the required coursework on time before the examinations. The students will also have sufficient time to review the material that is most significant to them.

It is essential for the student to give the NCERT textbooks a careful reading from cover to cover. This will give the learner sufficient exposure and insight into the topic. Marking the relevant sections of the chapters as they are read will make it much simpler for the students to refer back to those sections later on when they are studying for the test.

In addition, it is recommended that the students keep their own personal notes and repeatedly go over the material so that they can remember it better for the test.

In addition, it is highly recommended that the students consult both the study materials and the guide books.

If the students just follow these few easy procedures, they will have a much better chance of performing well on their next tests.