**Description:**

**Statistics for Economics: A textbook for Class XI **has
been written in keeping with the latest syllabus prescribed by the Central
Board of Secondary Education (CBSE). The book provides a clear insight into the
theories of Statistics for Economics. The objective of writing the book is to
offer students the means for grasping
basics of statistics of economics.

**Key Features:**

- As
per the latest CBSEINCERT syllabus
- Large
number of
**solved illustrative** examples, to help students understand
concepts easily **Key
points**, for quick revision of topics studied**Exercise**, to
help students prepare for examination**NCERT
Textbook Questions**, provided with answers**Multiple
Choice Questions (MCQs)**, to enhance students’ active and
self-managed learning**Higher
Order Thinking Skills (HOTS)** questions, to help students apply the
facts and concepts learned**Solved
Numerical Problems**, given wherever required

**Contents:**

*Preface *

*Syllabus*

**Chapter 1: INTRODUCTION TO STATISTICS **•
What is Economics? • Definitions of Economics • Microeconomics and
Macroeconomics • Significance of Economics • Economic and Non-Economic Activity
• Economic Activities • Non-Economic Activities • Definition of Statistics •
Statistics in Plural Sense (or Statistics as Data) • Statistics in a Singular
Sense (or Statistics as a Science) • Statistics: As a Science and As an Art •
Subject Matter of Statistics • Limitations of Statistics • Importance of
Statistics in Economics • **Exercises • NCERT Textual Questions with Answers •
Multiple Choice Questions (MCQs) • Higher Order Thinking Skills (HOTS)**

**Chapter 2: COLLECTION OF DATA** •
Introduction • What is a Statistical Enquiry? • Source of Data • Primary and
Secondary Data • Drafting of Questionnaire • Sources of Secondary Data •
Difference between Primary and Secondary Data • Population *versus* Sample
Surveys • Population • Sample • Census and Sample Surveys • Census or Complete
Enumeration • Sample Surveys • Methods of Sampling • Random (or Probability)
Sampling Method • Non-random Sampling or Non-probability Sampling • Statistical
Laws • The Law of Statistical Regularity • Law of Inertia of Large Numbers •
Some Important Sources of Secondary Data • Census of India • National Sample
Survey Organisation (NSSO) • Sampling and Non-sampling Errors • **Exercises •
NCERT Textual Questions with Answers • Multiple Choice Questions (MCQs) •
Higher Order Thinking Skills (HOTS)**

**Chapter 3: ORGANISATION OF DATA** •
Raw Data • Classification of Data • Meaning of Classification • Objectives of
Classification • Types of Classifications • Variable • Frequency Distribution •
Univariate Frequency Distribution • Bivariate Frequency Distribution • **Exercises
• NCERT Textual Questions with Answers • Multiple Choice Questions (MCQs) •
Higher Order Thinking Skills (HOTS)**

**Chapter 4: STATISTICAL TABLES** •
Statistical Tabulation • Objectives of Tabulation • Distinction between
Classification and Tabulation • Types of Tables • Functional Parts of
Statistical Tables • Requisites of a Good Statistical Table • Importance of
Table • **Exercises • NCERT Textual Questions with Answers • Multiple Choice
Questions (MCQs) • Higher Order Thinking Skills (HOTS)**

**Chapter 5: DIAGRAMMATIC PRESENTATION** •
Introduction • Advantages of Diagrammatic Presentation • Types of Diagrams •
Difference between Diagrams and Graphs • Geometric Diagrams • Pie Diagram (or
Pie Charts) • Pictograms • **Exercises • NCERT Textual Questions with Answers
• Multiple Choice Questions (MCQs) • Higher Order Thinking Skills (HOTS)**

**Chapter 6: GRAPHIC PRESENTATION** •
Introduction • Importance of Graphic Presentation • Contribution of Graphics •
Guidelines for the use of Graphs and Diagrams in Presenting Data • Types of
Graphs • Graphs of time series (or Historigrams) • Graphs of Frequency
Distribution •** Exercises • NCERT Textual Questions with Answers • Multiple
Choice Questions (MCQs) • Higher Order Thinking Skills (HOTS)**

**Chapter 7: MEASURES OF CENTRAL TENDENCY** •
Measures of Central Tendency • Purpose and Functions of Averages • Essentials
of a Good Average • Arithmetic Mean (A.M.) • Some Special Properties of the
Arithmetic Mean • Calculation of Arithmetic Mean • Some special types of
problems and their solutions • Weighted Arithmetic Mean • Combined Arithmetic
Mean • Median • Calculation of Median • Calculation of median in individual
series • Calculation of median in discrete series • Calculation of median in
continuous series • Some special type of problems and their solutions • Merits
and demerits or median • Mode • Determination of Mode • When data are either in
the form of individual observations or in ungrouped frequency distribution
(discrete series) • Method of Grouping • Some special types of problems and
their solutions • Graphic Method of Locating Mode • Relationship between Mean,
Median and Mode • Quartiles, Deciles and Percentiles • Quartiles • Calculation
of quartiles, deciles and percentiles in individual series • Calculation of
quartiles, deciles and percentiles in discrete series • Calculation of
quartiles, deciles and percentiles in continuous series • **Exercises • NCERT
Textual Questions with Answers • Multiple Choice Questions (MCQs) • Higher
Order Thinking Skills (HOTS)**

**Chapter 8: MEASURES OF DISPERSION** •
Introduction • What is Dispersion of Data? • Different Measures of Dispersion •
Relative Measures of Dispersion • Range • Coefficient of Range • Inter-Quartile
Range and Quartile Deviation and their Coefficient • Quartile Deviation (or
Semi-Inter-Quartile Range) • Coefficient of Quartile Deviation • Calculation of
Quartile Deviation (Q.D.) • Mean Deviation or Average Deviation • Coefficient
of Mean Deviation • Calculation of Mean Deviation from Arithmetic Mean •
Standard Deviation • Calculation of Standard Deviation (S.D.) • Coefficient of
Variation (C.V.) • Lorenz Curve • **Exercises • NCERT Textual Questions with
Answers • Multiple Choice Questions (MCQs) • Higher Order Thinking Skills
(HOTS)**

**Chapter 9: CORRELATION** • Introduction •
Types of Correlation • Degree of Correlation • Utility and importance of
Correlation • Correlation and causation • The Correlation Coefficient • Methods
of studying the correlation • Scatter Diagram (or Dot Diagram) • Karl Pearson’s
Coefficient of Correlation (or product moment Coefficient of Correlation) •
Spearman’s Rank Correlation • Case I: When the Ranks are Given • Case II: When
the Ranks are worked out from the Data • Case III: When Marks are Repeated • **Exercises
• NCERT Textual Questions with Answers • Multiple Choice Questions (MCQs) •
Higher Order Thinking Skills (HOTS)**

**Chapter 10: INDEX NUMBERS** •
Introduction • Definitions of Index Numbers • Types of Index Number •
Characteristics of Index Number • Uses of Index Number • Problems Involved in
Constructing the Index Numbers • Notation and Terminology • Methods of
Constructing Index Number • Unweighted Index Number/ Unweighted Aggregate Index
• Weighted Index Number • Consumer Price Index (CPI) or Cost of Living Index Numbers
• Wholesale Price Index (WPI) • Index for Industrial Production • Index Number
of Agricultural Production • Inflation and Index Number • BSE Sensex • **Exercises
• NCERT Textual Questions with Answers • Multiple Choice Questions (MCQs) •
Higher Order Thinking Skills (HOTS)**

**Chapter 11: SOME MATHEMATICAL TOOLS USED IN ECONOMICS** •
Introduction • Dependent and Independent Variable • The Slope of Line • The
Slope of a Curve • Curvilinear Positive Relationship • Curvilinear Negative
Relationship • Vertical and Horizontal Curves • The Equation of a Straight Line
• **Exercises • Multiple Choice Questions (MCQs) **

**PROJECT WORK **

**CASE STUDIES**

**About the Authors:**

**Dr. K. G. Arora **(PhD) is the Principal of
SVM Yoga and Health Sciences College, Muzaffarnagar. He has a teaching
experience of 25 years. Dr. Arora has taught Business Economics/Managerial
Economics to B.Tech. and MBA students at IIT Roorkee, Saharanpur; where he has
also served as a Guest faculty for four sessions. He has also authored several
textbooks on Economics.

**Bhuvan Arora **did his M.Sc. in Economics
from Doon University, Dehradun. Currently, he is working as an Assistant
Professor at S.D. College of Management Studies, Muzaffarnagar.

**Target Audience:**

Students
of Class XI Economics.