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ANCOVA (Analysis of Covariance)

ANCOVA (Analysis of Covariance) is a generalisation of the ANOVA technique. It is used when there if there is a covariate/ancillary variable which cannot be controlled by the experimenter. Due to the presence of...

Least Square Regression Line – Definition and Procedure

Suppose that we have two variables X and Y where X is the independent variable and Y is the dependent variable. For example we may take X to be the number of hours spent...

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