Independent survey estimate difference
Compare two independent estimates with published 90% sampling margins.
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Use two independent areas or samples and identical units, universes and ordinary 90% margins. Do not compare a subarea with its parent.
The starting values are hypothetical. Results update as you edit. Use aggregate or synthetic inputs only.
Calculation results
- A minus B
- 6
- 90% interval lower
- 1
- 90% interval upper
- 11
- Interpretation
- Interval excludes zero.
How to interpret the output
The difference A minus B has approximate margin hypot(margin A, margin B) under independence. Rounding can change borderline conclusions. No multiple-comparison adjustment. Source checked 7 November 2026.
Method reference