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Box-and-whiskers plot of motorized 2–3 wheelers death rate per 100,000 population of years 2007–2016. The box resembles the 25th percentile and the 75th percentile Interquartile Range (IQR), while the line within the box resembles the median. Black circles represent the outliers. p-value = Friedman test for comparison of more than two dependent groups and Wilcoxon signed-rank test for comparison of two dependent groups
