What Is The Meaning Of Anova In Statistics. The one-way analysis of variance ANOVA is used to determine whether there are any statistically significant differences between the means of three or more independent unrelated groups. ANOVA checks the impact of one or more factors by comparing the means of different samples.
It also shows us a way to make multiple comparisons of several populations means. Comparison of Means To see what problems arise and why we need ANOVA we will consider an example. In other words they help you to figure out if you need to reject the null hypothesis or accept the alternate hypothesis.
Its a statistical test that was developed by Ronald Fisher in 1918 and has been in use ever since.
ANOVA is used in a business context to help manage budgets by comparing your budget to costs to help manage revenue and inventory for example. In other words they help you to figure out if you need to reject the null hypothesis or accept the alternate hypothesis. A test result calculated from the null hypothesis and the sample is called statistically significant if it is deemed unlikely to have occurred by chance assuming the truth of the null hypothesis. It also shows us a way to make multiple comparisons of several populations means.