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Nov 23, 2018 at 13:59 comment added user10619 Do you have actual data ? Combining data of two samples and combining the statistic of say two separate samples is a distinct issue. Pooling of raw data from two samples may give a different coeff. of variation - probabably more representative.
Nov 23, 2018 at 12:21 vote accept Jelena
Nov 23, 2018 at 10:41 comment added Nick Cox I've added the obvious tag, on which there are several good answers (interested party!). stats.stackexchange.com/questions/118497/… is one discussion.
Nov 23, 2018 at 10:39 history edited Nick Cox
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Nov 23, 2018 at 10:38 answer added Nick Cox timeline score: 1
Nov 23, 2018 at 10:10 review First posts
Nov 23, 2018 at 13:59
Nov 23, 2018 at 10:05 history asked Jelena CC BY-SA 4.0