The one-way analysis of variance abbreviated as (ANOVA) is used to determine whether there are any significant differences between the means of three or more independent (unrelated) groups.In other words, the reason for doing an ANOVA is to see if there is any difference between groups on some variable.

This test does a certain job indetermining whetherthe studied groups are significantly different from each other.In your own words, how does it work? What does it test?