Commission inspection measures that do not confuse checked units with an entire receipt or multiply retests.
Index
A rejected sample does not mean every batch item was individually inspected. Reporting must distinguish checking coverage from the receipt decision and avoid a percentage mixing observed units with total quantities.
The unit of analysis determines the result
Use different measures for sample outcomes and batch status. Sample size and selection rules come from the company's technical process. BI organizes available information but does not independently validate the statistical suitability of the method.
Form exports can cover simple inspections. With retests and partial decisions, the analytical layer must retain relationships to the original receipt. Replacing the first measurement with the latest answer erases exactly the occurrence the manager wants investigated and can make a supplier's history appear artificially cleaner.
Requirements for comparing BI proposals
- Record analyzed unit, receipt and applied criterion without inferring inspection of unobserved items.
- Separate initial sample, retest and final decision to prevent repeat counting of one event.
- Show absent identification or criteria as analysis limitations rather than supplier acceptance.
A check before using the measure
In a hypothetical scenario, one sample fails and another passes retesting. Check that the measure retains both observations and an identifiable receipt decision. Then compare batches of different sizes: reporting must explain its denominator without automatically presenting an average of percentages as the overall result.
Reference for assessing scope
Microsoft Learn: facts, dimensions and analytical model grain
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