Connected statistics workflow

v10.85 connects descriptive statistics, probability models, distributions, confidence intervals, sample-size planning, hypothesis tests, correlation/regression, rank-based methods, and counting tools without replacing the established historical engines.

Interpret statistical results in context

Use plots and descriptive summaries before formal tests. Check the sampling/design assumptions that matter for the chosen method, report effect size and uncertainty where available, and avoid treating a threshold such as p < .05 as proof of importance, causation, or truth. Browser calculations are educational/planning utilities, not domain-specific professional advice.

How to use this Outlier Calculator

Paste a dataset, choose a quartile method, and calculate Q1, Q3, IQR, lower and upper fences, and values outside those fences.

What this tool calculates

Flag potential outliers using the 1.5×IQR rule.

Practical limits

Quartile methods can differ across textbooks and software; choose a method explicitly when the tool offers one.