Page 170 - DMGT404 RESEARCH_METHODOLOGY

Research Methodology Hitesh Jhanji, Lovely Professional University

Notes Unit 9: Correlation and Regression

CONTENTS
Objectives
Introduction
9.1 Correlation

9.1.1 Scatter Diagram
9.1.2 Karl Pearson’s Coefficient of Linear Correlation
9.1.3 Properties of Coefficient of Correlation

9.1.4 Merits and Limitations of Coefficient of Correlation
9.1.5 Probable Error of r
9.1.6 Correlation in a Bivariate Frequency Distribution

9.1.7 Spearman’s Rank Correlation
9.1.8 Case of Tied Ranks
9.1.9 Limits of Rank Correlation

9.1.10 Coefficient of Correlation by Concurrent Deviation Method
9.2 Multiple Correlation
9.3 Partial Correlation

9.4 Regression Analysis
9.4.1 Simple Regression
9.4.2 Correlation Coefficient and the two Regression Coefficients

9.4.3 Non-parametric Regression
9.5 Summary
9.6 Keywords
9.7 Review Questions

9.8 Further Readings

Objectives

After studying this unit, you will be able to:
 Explain the Concept of correlation

 Judge the Scope of correlation analysis
 Define the Rank Correlation
 Discuss the Regression analysis
 Describe the Simple Regression

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