Subgrouped Entry — X-bar & R/S
One row per subgroup. Add as many samples (S1, S2, …) per subgroup as your process uses — X-bar, Range, and the control limits calculate automatically as you type.
Use a period (.) for decimals — e.g. 10.5, not 10,5. Commas will be auto-corrected.
Drag & drop CSV/Excel here, or tap to browse
Multi-sheet workbooks supported
Take a photo or upload an image of an inspection sheet
Handwritten, printed, or a screenshot — we read the table for you
Paste from Excel, or type values directly. Header row is used as column names.
Use a period (.) for decimals — e.g. 10.5, not 10,5. Commas will be auto-corrected.
Enter your subgroup data in the wide panel below ↓
Nothing you upload or analyze is stored on the server — everything happens in this session only.
Download the Excel or PDF report before you close the page if you want to keep a copy.
Upload a file, enter data manually, or take a photo to begin analysis.
Mean
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Std Dev
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Cpk
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Out of Control
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