Price: Rs. 325

ISBN: 81-7930-675-5

Pages: 531

Statistics finds application in a wide variety of fields today. A basic understanding of the subject, thus, becomes necessary. The Civil Services General Studies Mains paper, too, has a section on Statistics, which, however, calls more for common sense than an in-depth knowledge of formulae. A fundamental idea of presentation of data, fallacies in statistical analysis, and how to interpret given data is enough to tackle the questions. In this book, an endeavour has been made to present the basic areas of statistics that need to be understood and grasped for this particular examination and others of a similar standard. A large number of illustrations and worked examples are included to elucidate the rules and principles. Questions from previous papers have been incorporated to give the reader a clear idea of the trend of the examination.

Contents

1. Statistics : Meaning, Scope and Limitations

Concepts

Functions of Statistics

Limitations

Misuses

2. Collection of Data

3. Classification and Seriation of Data

Objectives and Characteristics of Classification

Types of Classification

Variables and Frequency Distribution

Worked Examples

4. Presentation of Data : Tabulation

Meaning and Objectives

Parts of a Table

Specimen of a Table

Rules of Tabulation

Types of Tabulation

Worked Examples

5. Presentation of Data : Diagrams

Introduction

General Rules of Construction

Types of Diagrams

Worked Examples

6. Presentation of Data : Graphs

Fundamentals

Graphs of Time Series or Historigrams

Graphs of Frequency Distribution

Basic Types of Frequency Curves

Advantages of Graphs

Limitations

The Misuse of Graphs

Worked Examples

7. Statistical Analysis and Interpretation

Ratios and Percentages

Measures of Central Tendency

Dispersion

Probability

Index Numbers

Correlation

Regression

Analysis of Time Series

Interpolation and Extrapolation

Interpretation

8. Worked Examples

9. Questions From Previous Papers

Selection of Questions from papers of 1979-90

Questions from 1991 paper

Questions from 1992 paper

Questions from 1993 paper

Questions from 1994 paper

Questions from 1995 paper

Questions from 1996 paper

Questions from 1997 paper

Questions from 1998 paper

Questions from 1999 paper

Questions from 2000 paper

Questions from 2001 paper

Questions from 2002 paper

Questions from 2003 paper

Questions from 2004 paper

Questions from 2005 paper

Questions from 2006 paper

Questions from 2007 paper

Questions from 2008 paper

Questions from 2009 paper

Questions from 2010 paper

Questions from 2011 paper

Questions from 2012 paper