Calculates the sample size for a given confidence level and error margin using Cochran's formula.
See G.D. Israel. Determining Sample Size. University of Florida, PEOD-6, 1992.
https://www.academia.edu/21353552/Determining_Sample_Size_1
Cite As
Manolis Lourakis (2026). cochran (https://www.mathworks.com/matlabcentral/fileexchange/71985-cochran), MATLAB Central File Exchange. Retrieved .
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