https://stats.stackexchange.com/questions/675792/how-to-estimate-the-standard-deviation-of-a-ratio
descriptive statistics - How to estimate the standard deviation of a ratio? - Cross Validated
I’m working with summary statistics (means, standard errors, and sample sizes) for two variables, and I’ve derived: SD of variable A from its standard error...
descriptive statisticshow tothe standardcross validatedestimate
https://www.4shared.com/features/detailed_account_statistics/index.jsp
Descriptive account statistics
4shared provides its Premium users with descriptive statistics of accounts.
descriptiveaccountstatistics
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