5. Distribution & failure analysis
Chi-Square Test
Goodness-of-fit and test of independence — observed vs. expected counts with χ² contributions and contingency tables.
Where this fits in your investigation
Test distributions and model univariate failure or warranty behavior.
Your data stays on your device
ProCalc Toolset Suite runs in your browser. Production data is not uploaded to our servers for analysis — a practical fit for plant-floor and supplier investigations where data control matters.
Try Chi-Square Test on your data
Create a free account to demo this tool for 5 minutes, or license the full suite for 3-year team access.