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Topic: Combined Uncertainty vs Adding Uncertainties  (Read 862 times)

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Offline fruitypebbles210

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Combined Uncertainty vs Adding Uncertainties
« on: September 25, 2020, 09:49:27 PM »
When do you use the equation of combined uncertainties and when do you simply add uncertainties? Example, if we're dealing with two tolerance measurements of two glassware, do I use the equation for combined uncertainty (square root of squared sums) or simply add this together?

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