2 votes

What is the error of the mean of data that have uncertainty values attached to them?

One interpretation of your situation is that you have obtained a random sample $Y_1, \ldots, Y_n$ from a distribution with a finite variance, say $\sigma^2,$ but you have observed the values $X_i = ...
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1 vote
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Is there a standard error of the mean for when population size is known?

Transcribing from comments. For final populations there exists a correction factor which will probably useful for this purpose. $FPC=\sqrt{(N-n)/(N-1)}$, and the standard error formula becomes $SE=s/\...
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  • 6,196
1 vote
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Correcting repeated measures data to display error bars that show within-subjects differences

Although I did not check the program, your logic is indeed correct and probably the best approach. This is the approach used in superb (article found here) for the R implementation. The whole process ...
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1 vote

Mean Accuracy and Standard Error of the Accuracy for KNN Classification algorithm

For each K, they're not producing multiple models. They're producing a single model for each K and recording the accuracy and standard errors.
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