NCERT Solutions For Class 11 Statistics (Economics)

Chapter 1 - Introduction

NCERT Solutions for Class 11 Economics Statistics Chapter 1 "Introduction," lays the foundation for understanding the significance and application of statistics in various fields. This chapter begins by defining statistics and explaining its scope, highlighting how it is used to collect, analyse, and interpret data to make informed decisions. Students will learn about different types of data, including primary and secondary data, and the various methods used for data collection. Additionally, the chapter covers the classification and tabulation of data, which are essential steps in organising information for analysis. Graphical representation of data, such as bar graphs, histograms, and pie charts, is also introduced to help students visualise and interpret data more effectively. 

Topics Covered in Class 11 Chapter 1 Introduction

• Why Economics?

• Statistics in Economics

• What is Statistics?

• What Statistics Does?

• Conclusion

Chapter 2 - Collection of Data

NCERT Solutions for Class 11 Economics Statistics Chapter 2 "Collection of Data," focuses on the initial and crucial step of any statistical analysis – gathering data. This chapter emphasizes the importance of collecting accurate and relevant data for meaningful analysis. Students will learn about the different types of data, including primary and secondary data, and the various sources from which these data can be obtained. The chapter also explains various methods of data collection, such as surveys, experiments, and observations, highlighting their advantages and limitations. Additionally, it discusses the design of questionnaires and the role of pilot surveys in refining data collection processes. The NCERT Solutions for this chapter provide detailed explanations and practical examples to help students understand the principles and techniques of data collection, ensuring they can apply these methods effectively in their studies and future research projects.

Topics Covered in Class 11 Chapter 2 Collection of Data

• Introduction

• What are The Sources of Data

• How Do We Collect The Data

• Census and Sample Surveys

• Sampling And Non- Sampling Errors

• Census of India and NSSO

• Conclusion

Chapter 3 - Organisation of Data

NCERT Solutions for Class 11 Economics Statistics Chapter 3 "Organisation of Data," focuses on the systematic arrangement of collected data to facilitate analysis and interpretation. This chapter highlights the importance of organizing data in a logical and structured manner to derive meaningful insights. Students will learn about different methods of data organization, including classification and tabulation. The chapter covers various types of classification, such as chronological, geographical, and qualitative, along with the preparation of frequency distributions. It also introduces the construction and use of tables to present data clearly and concisely. The NCERT Solutions for this chapter provide comprehensive explanations, step-by-step procedures, and examples to guide students in effectively organizing data. 

Topics Covered in Class 11 Chapter 3 Organisation of Data

• Introduction

• Raw Data

• Classification Of Data

• Variables: Continuous and Discrete

• What Is A Frequency Distribution

• Bivariate Frequency Distribution

• Conclusion

Chapter 4 - Presentation of Data

NCERT Solutions for Class 11 Economics Statistics Chapter 4 "Presentation of Data," focuses on the visual and systematic representation of organized data to make it easily understandable and interpretable. This chapter emphasizes the significance of presenting data in various formats to convey information effectively. Students will learn about different methods of data presentation, including textual, tabular, and graphical forms. The chapter covers various types of graphs and charts, such as bar graphs, histograms, pie charts, and frequency polygons, explaining how each can be used to represent different types of data. Additionally, it discusses the principles of creating effective visual representations and the importance of choosing the appropriate method for different datasets.

Topics Covered in Class 11 Chapter 4 Presentation of Data

• Introduction

• Textual Presentation of Data

• Tabular Presentation of Data

• Tabulation of Data And Parts of A Table

• Diagrammatic Presentation of Data

• Conclusion

Chapter 5 - Measures of Central Tendency

NCERT Solutions for Class 11 Economics Statistics Chapter 5 "Measures of Central Tendency," explores the key statistical concepts used to summarize and describe a set of data. This chapter focuses on the measures that represent the central point or typical value of a dataset. Students will learn about three primary measures of central tendency: mean, median, and mode. The chapter explains how to calculate each measure, the scenarios in which each is most appropriate, and their respective advantages and limitations. Additionally, it focuses on different types of means, such as arithmetic mean, geometric mean, and harmonic mean, and their applications.

Topics Covered in Class 11 Chapter 5 Measures of Central Tendency

• Introduction

• Arithmetic Mean

• Median

• Mode

• Relative Position of Arithmetic Mean, Median And Mode.

• Conclusion

Chapter 6 - Correlation

NCERT Solutions for Class 11 Economics Statistics Chapter 6 "Correlation," delves into the relationship between two or more variables. This chapter is essential for understanding how variables are related and how they influence each other. Students will learn about the concept of correlation, which measures the strength and direction of the relationship between variables. The chapter covers different types of correlation, including positive, negative, and zero correlation. It also introduces methods to calculate the correlation coefficient, such as Karl Pearson's method and Spearman's rank correlation.

Topics Covered in Class 11 Chapter 6 Correlation

• Introduction

• Types of Relationship

• Techniques To Measure Correlation

• Conclusion

Chapter 7 - Index Numbers

NCERT Solutions for Class 11 Economics Statistics Chapter 7 "Index Numbers," introduces students to a vital statistical tool used to measure changes in economic variables over time. Index numbers are crucial for comparing the relative changes in different sectors, such as prices, costs, and quantities. This chapter covers the construction and interpretation of various types of index numbers, including price index numbers, quantity index numbers, and value index numbers. Students will learn about key concepts such as base year, current year, and methods of calculating index numbers, including the Laspeyres, Paasche, and Fisher's Ideal index formulas.

Topics Covered in Class 11 Chapter 7 Index Numbers

• Introduction

• What is an Index Number

• Construction of an Index Number

• Some Important Index Numbers

• Issue in The Construction of an Index Number

• Index Number in Economics

• Conclusion

Chapter 8 - Use of Statistical Tools

NCERT Solutions for Class 11 Economics Statistics Chapter 8 "Use of Statistical Tools," focuses on the practical application of various statistical methods and tools to analyze data effectively. This chapter emphasizes the importance of using statistical tools to interpret data and draw meaningful conclusions. Students will learn about several key tools, including measures of central tendency, measures of dispersion, correlation, and regression analysis. The chapter also introduces students to probability distributions and hypothesis testing, explaining how these concepts are used in real-world data analysis.

Topics Covered in Class 11 Chapter 8 Use of Statistical Tools

• Introduction

• What Is An Index Number

• Construction of an Index Number

• Some Important Index Numbers

• Issue in The Construction of an Index Number

• Index Number in Economics

Benefits of Referring to Vedantu’s NCERT Solutions for Class 10 Statistics

The Vedantu’s Class 11 NCERT Solutions of Statistics provided here in PDFs offer various benefits, including:

• The answers provided here are simple.

• To facilitate comprehension, solutions are presented in phases.

• All of the questions from each chapter are answered.

• Students are urged to prepare all of the chapters covered in the solution modules, as this will help them obtain a deeper understanding of the subjects. 

• For effective preparations, comprehend all of the processes outlined in the answers.

Conclusion

The NCERT Solutions for Class 11 Economics Statistics serve as an invaluable resource for students, providing comprehensive and detailed explanations of statistical concepts and methods. These solutions help students grasp the foundational principles of statistics, from data collection and organization to advanced topics like correlation and index numbers. By working through these solutions, students can enhance their analytical skills and apply statistical tools effectively in various economic contexts.

CBSE Class 11 Economics Study Materials