What does the process look like?
Describe variation and collect evidence before choosing a test.
ITQAN calculator labYour data.
Your data.
A clearer decision.
Start with Lean Six Sigma analysis, then explore engineering and project calculations. Every tool should help answer a specific question.
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Open full statistical lab ↗Open a calculator directly.
01 / CALCULATOR
OEE
Understand availability, performance and quality losses.
Open calculator ↗02 / CALCULATORProcess capability
Compare process spread and centering with requirements.
Open calculator ↗03 / CALCULATORPareto analysis
Identify the largest categories worth investigating.
Open calculator ↗04 / CALCULATORControl charts
Distinguish routine variation from signals to investigate.
Open calculator ↗05 / CALCULATORHypothesis testing
Compare process averages with uncertainty in view.
Open calculator ↗06 / CALCULATORRegression
Explore relationships and check model assumptions.
Open calculator ↗Choose by the question you need to answer
Is there evidence of a difference?
Compare observations with a method suited to the design.
Is the process stable and capable?
Check stability and specifications separately.
Can our system meet demand?
Connect work content, capacity, inventory and project delivery.
Use the example first, replace it with your data, review assumptions and interpret the practical effect. Methods marked “planned” in the lab do not calculate results.