Get more Excel Training for Engineers at: www.engineerexcel.com/free-tr... In this video, we calculate the weighted standard deviation of a data set in Excel.
Thanks for your help! I am using this to create a standard deviation with some aggregated data so I can use a t-test to identify statistically significant differences between groups.
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Thanks for your help! I am using this to create a standard deviation with some aggregated data so I can use a t-test to identify statistically significant differences between groups.
In the mathematical equation, wi is missing.
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