Figure 5From: Estimating the sample mean and standard deviation from the sample size, median, range and/or interquartile range Relative errors of the sample mean estimation for non-normal data (log-normal, beta, exponential and Weibull), where the black lines with solid circles represent the method under scenario C 1 , the red lines with solid triangles represent the method under scenario C 2 , and the green lines with empty circles represent the method under scenario C 3 . Back to article page