Adding the numbers, since they settle part of this. If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way. Most of the apparent contradictions in these threads dissolve at that step.
A narrower follow-up, since the general answer is now clear:
Was that from a primary source or from a summary of one?
bri_stats said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Worth saying that the confident version of this is more useful to the person writing it than to the person reading it.
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Shop Reference Standardsbri_stats said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Right, and the exception is worth naming rather than left implied, because the exception is where people get into trouble.
OP back with an update, since a thread like this is useless without one.
Closing the loop. The answer turned out to depend on the detail I had left out of the opening post, which is a lesson about how to ask rather than about the subject.