Analyse-it provides a range of standard parametric and non-parametric procedures, including Descriptive statistics, ANOVA, Mann–Whitney, Wilcoxon, chi-square, correlation, linear regression, logistic regression, polynomial regression and advanced model fitting.
After leaving government service in 1992, Welch served on the Board of Directors of a number of corporations, including MBDA-US, Verint Systems, Serco Group, Dynacs Military & Defense, Meggitt, and Wilcoxon Research.