Business Statistics

Contents

1. What is Statistics

1.1 Introduction

1.2 Definition of statistics

1.3 Statistic and statistics

1.4 Subdivisions within statistics

1.5 Scope of statistics

1.6 Statistics: Science or art

1.7 Some statistical concepts

1.8 Sampling and sampling methods

1.9 Sampling and non-sampling errors

1.10 Sampling techniques

1.11 Sample – size

1.12 The sample mean method

1.13 The sample proportion method

2. Organization and Summarizing Data

2.1 Introduction

2.2 Types of data

2.3 Collecting data

2.4 Editing of data

2.5 Coding of data

2.6 Classification of data

2.7 Constructing a frequency distribution

2.8 Types of frequency distributions

2.9 Cumulative frequency distribution

2.10 Graphical frequency distributions

2.11 Ogive curve

2.12 Graphic presentation

3. Measures of Central Tendency

3.1 Introduction

3.2 Measures of central tendency

3.3 Criteria for good measures of central tendency

4. Measures of Dispersion

4.1 Introduction

4.2 Measures of dispersion

4.3 Absolute and relative measures of dispersion

5. Simple Correlation

5.1 Introduction

5.2 Correlation

5.3 Types of relationships

5.4 Types of correlation

5.5 Methods of correlation

5.6 Uses of correlation

5.7 Properties of correlation coefficient

5.8 Practical application of correlations

5.9 Interpretation of correlation coefficient

6. Linear Regression

6.1 Introduction

6.2 What is regression?

6.3 Regression equations

6.4 Linear regression

6.5 Fitting of a straight line

6.6 Regression coefficients

6.7 Difference between correlation and regression

6.8 Some important points about regression

6.9 Limitations of regressions

7. Linear Programming

7.1 Introduction

7.2 Linear programming and allocation

7.3 Linear programming, definition

7.4 Basic concepts

7.5 General form of the LP model

7.6 Formulation of a LP problem

7.7 General statement of linear programming problem

8. Linear – Programming Graphical Method

8.1 Introduction

8.2 Graphical method

8.3 Some definitions in graphical method

8.4 Some important lemnas

8.5 Convex set

9. Transportation Problem

9.1 Introduction

9.2 A typical transportation problem

9.3 Formulation of a transportation problem

9.4 Transportation tableau

9.5 Some definitions

9.6 Solution to the transportation problem

9.7 Steps in the solution of a transportation problem

9.8 An Illustrative example

9.9 Degeneracy

9.10 Test for optimality

9.11 Unbalanced transportation problems

9.12 Multiple optimal solutions

9.13 Degeneracy in general

9.14 Maximization in a transportation problem

9.15 Transhipment problem

9.16 Summary 

Included Question Papers – April 2012