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At the printing company I work for, we have different materials that we print on; part numbers for those materials are assigned based on the unique supplier, material type, and material widths so the question answer for mathematics summary supplier could send us two different widths of the same material type, mathmatics they'd get different part numbers.
With each part number, summarh supplier sends us a statistical mathekatics of their quality control data - how many samples were taken n matheatics, the average thickness of the samples, and the standard deviation.
For the most common parts, we might get a few hundred different averages, Ns, and standard deviations. I'm trying to group those summaries.
Since the sample size is so high, I'm fine averaging the average thicknesses for each part number; the numbers are closely grouped enough that zummary shouldn't be a significant difference. My question is, how do I summarize the standard deviation?
The quality tests are standardized and the instruments used to measure the thickness are constantly calibrated, so I have no reason to think that the measurements would be inconsistent from one shipment to the. Sign up to join this community. The best answers are voted up and rise to the question answer for mathematics summary. Stack Overflow for Teams � Collaborate and share knowledge with a private group. Create a free Team What is Teams? Question answer for mathematics summary.
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