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Table 2 Descriptive statistics and Kruskal-Wallis test based on the relative importance of each species by studied categories (H = 29.58; P < 0.01).

From: Re-examining hypotheses concerning the use and knowledge of medicinal plants: a study in the Caatinga vegetation of NE Brazil

  Herbs1 Non-herbs2 Native Forests3 Anthropogenic Zones4
Mean 0.1367 0.3567 0.3533 0.0767
Standard deviation 0.1260 0.2478 0.2264 0.0372
Variance 0.0159 0.0614 0.0512 0.0014
Coefficient of variance 92.21% 69.46% 64.06% 48.47%
  1. 1 and 2, 1 and 3, 2 and 4, 3 and 4 = P < 0.01; 1 and 4, 2 and 3 = P > 0.05