Analysis of Variance or ANOVA is defined as statistical technique which is applied to a group of causes. With the logical construction of experiment, this technique is said to be related to the design of experiment. It can also be explained as the degree of uncertainty that defines the inference of the causes.
Whenever an experiment is performed, the different objects require to compare the terminology is called treatment and other homogenous subgroups are called blocks. This is the reason several experts have defined some statements related to the design of experiments.
Basic principles that are stated by Prof. R. A. Fisher are as follows-
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