Difference between 

ANOVA.

ANCOVA.

MANOVA.

MANCOVA.

ANOVA.

Analysis of variance.

ANOVA is a collection of statistical models and their associated estimation procedure use to analyze the difference among group mean in the sample.

ANCOVA.

Analysis of covariance.

ANCOVA is a blend of analysis of variance(ANOVA) and regression .it is similar to factorial ANOVA.in that it can tell you what additional information you can get by considering one independent variable at a time. Without the influence of the others.

MANOVA.

Multivariate analysis of variance.

In statistics .multivariate of variance is a procedure for comparing multivariate sample means, as a multivariate procedure.it is used when there are two are more dependent variables and it is often followed by significance test involving individual dependent variable separately.

MANCOVA.

Multivariate analysis of co variance.

MANCOVA is an extension of analysis of co variance (ANCOVA) method to cover cases where is more than one dependent variable and where the control of concomitant continuous independent variables covariance.