eZ SPC software is developed by Dr. Chang W. Kang, professor, Department of Industrial & Management Engineering and his SEAQ (Statistical Engineering for Advanced Quality) research team at Hanyang University ERICA campus, South Korea. eZ SPC is a simple and user-friendly software package that includes basic QC tools, probability distributions, descriptive statistics, graphical analysis, basic control charts (for means, variances, proportions) and advanced control charts (CUSUM, EWMA, CV), process capability analysis, gage R&R, interval estimation, tests of hypotheses, regression analysis, analysis of variance, and factorial design.
