REGRESSION ANALYSIS LECTURE NOTES
REGRESSION ANALYSIS LECTURE NOTES • Regression analysis refers to statistical technique for estimating the relationship among variables. • Regression analysis is concerned with estimating the value of one variable when the value of the other variable is known. • Regression- is a measure of the average relationship between two or more variables in terms of the original units of data. REGRESSION LINES • Regression lines refer to graphical devices that describe the average relationship between two variables. • There are two regression lines namely: - R egression line of Y on X -Regression line of X on Y. REGRESSION EQUATIONS • Regression equation refers to algebraic expressions of regression lines. • ...