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Please provide a source for the formula for the mean. John Lawrence (talk) 19:48, 15 July 2020 (UTC)
This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | |||||||||||||||||||||
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Please provide a source for the formula for the mean. John Lawrence (talk) 19:48, 15 July 2020 (UTC)Reply