EBSE

Evidence-Based Software Engineering

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Glossary - sample size

Indexsample size

This is the size of sample needed to achieve a particular confidence level (with a 95% confidence level as a common goal). As a rule of thumb, if any statistical analysis is to be employed, even at the level of calculating means and averages, a sample size of at least 30 is required.

This entry was last updated on 5 August 2008