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is called the coefficient of regression of y on x which is obviously the slope of this line. Interchanging x and y in equation (6), the equation of the line of regression of x and y is given by

Naturally bxy is the slope of this line which is equal to

Example A panel of two judges A and B graded dramatic performance by independently awarding marks as follows:

Index

6. 1 Introduction
6. 2 Correlation
6. 3 Types of Correlation
6. 4 Degrees of Correlation
6. 5 Methods of determining correlation
6. 6 Coefficients of Correlation for Bivariate Grouped Data
6. 7 Probable Error
6. 8 Rank Correlation Coefficient
6. 9 Linear Regression

Chapter 7





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