Confidence interval

Wang, Yungang, Michael D Sohn, Ashok J Gadgil, Yilun Wang, Kathleen M Lask, and Thomas W Kirchstetter. How many replicate tests do I need? – Variability of cookstove performance and emissions has implications for obtaining useful results . Berkeley, CA: Lawrence Berkeley National Laboratory, 2013.

Wang, Yungang, Michael D Sohn, Yilun Wang, Kathleen M Lask, Thomas W Kirchstetter, and Ashok J Gadgil. "How many replicate tests are needed to test cookstove performance and emissions? – Three is not adequate." Energy for Sustainable Development 20 (2014) 21–29.