Estimating Mean and Standard Deviation from the Sample Size, Three Quartiles, Minimum, and Maximum
Estimating Mean and Standard Deviation from the Sample Size, Three Quartiles, Minimum, and Maximum
Background: We sometimes want to include in a meta-analysis data from studies where results are presented as medians and ranges or interquartile ranges rather than as means and standard deviations. In this paper I extend a method of Hozo et al. to estimate mean and standard deviation from median, minimum, …