The Friedman test statistic is approximately chi-square distributed with (k

Question

The Friedman test statistic is approximately chi-square distributed with (k - 1) degrees of freedom, provided that either the number of blocks, b, or the number of treatments, k, is greater than or equal to 5.

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This statement is true. The Friedman test is a non-parametric alternative to the repeated measures ANOVA, used when the data is not normally distributed. The test statistic used in Friedman's test is the Friedman test statistic. The Friedman test statistic is approximately chi-square distributed with (k - 1) degrees of freedom, provided that either the number of blocks, b, or the number of treatments, k, is greater than or equal to 5.