AnCova Tests are an extension of Anova Tests with one or more additional co-variables (confounding variables).
Like Anova it is testing the effects of the independent variable(s) on the dependent variable, but controling the dependent variable for the effect of the related covaribale.
simitlar to previous worksheets with an Ancova Task. Use the same data as above
video in 4 parts, also shows you how you can combine several covariables into one covariable (optional)