Free data analysis calculators: percentile rank, coefficient of variation, interquartile-range outlier boundaries, and missing-data rate. No sign-up required.
Data analysis calculators for describing and cleaning data: percentile ranks, the coefficient of variation for relative dispersion, IQR-based outlier boundaries, and missing-data rate for data-quality checks.
Useful companions to the full statistics toolkit — accurate, free and no sign-up.
Built for: Data analysts · Data scientists · Researchers · Analysts
100 free professional tools · no sign-up · no tracking of your inputs