Fig. 2From: Concentrations, hydrochemistry and risk evaluation of selected heavy metals along the Jimi River and its tributaries at Obuasi a mining enclave in Ghana Box and whisker plot of major ions in water samples form the towns along the Jimi River and its tributaries. The asterisks and white circles represent outliers. The effects of outliers on the outcome of the multivariate analysis were not significant at 95% confidence limit by Student’s t test.Back to article page