The Friedman test is the non-parametric counterpart of the randomised block experimental design of the analysis of variance.

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This statement is true. The Friedman test is a non-parametric test used to analyze the differences between three or more groups that are related. It is commonly used in randomized block designs, where each block represents a subject or group and each treatment is assigned to a block. The Friedman test is used to determine whether the differences between the groups are statistically significant.

The Friedman Test Is the Non-Parametric Counterpart of the Randomised