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Estimating the sample mean and standard deviation from the sample size, median, range and/or interquartile range.

Wan X, Wang W, Liu J, Tong T.

BMC Med Res Methodol. 2014 Dec 19;14:135. doi: 10.1186/1471-2288-14-135.


Estimating the mean and variance from the median, range, and the size of a sample.

Hozo SP, Djulbegovic B, Hozo I.

BMC Med Res Methodol. 2005 Apr 20;5:13.

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