Contents

1.Introduction to Statistics

1. Introduction

2. Definitions 

3. Functions of Statistics

4. Importance  

5. Scope of Statistics    

6. Limitations of Statistics   

7. Classification and Frequency Distributions  

8. Tabulation  

9. Frequency Distribution 

10.Cumulative Frequency Distribution

11.Guidelines to Prepare Frequency Distribution

12.Graphical Representation    

13.Diagrammatic Representation 

2. Measures of Central Tendency

1. Introduction

2. Requisites of a Good Average

3. Arithmetic Mean or Mean

4. Median 

5. Mode   

6. Empirical Relation

7. Partition Values 

3. Measures of Dispersion 

1. Introduction

2. Significance of Measuring Variation    

3. Properties of a Good Measure of Dispersion  

4. Range  

5. Interquartile Range and Quartile Deviation  

6. Variance and Standard Deviation  

7. Relative Measures of Dispersion  

4. Correlation and Regression(for Ungrouped Data)   

1. Introduction

2. Simple Correlation

3. Scatter Diagram  

4. Covariance  

5. Coefficient of Correlation  

6. Regression Analysis    

7. Correlation and Regression Analysis