Can you combined two sources with difference variance to reduce error?
12817
Determining true mean from noisy observations
118103
Does PCA's reconstruction error get reduced with more PCs being used?
50553
Can I mix sources from different ubuntu versions?
41256
Variance of a linear combination of vectors
4702
Is it possible to have a pair of Gaussian random variables for which the joint distribution is not Gaussian?
137176
How to combine low sample renders?
52894
How to test if these two samples are from the same distribution?
102638
Computing variance of squared difference of i.i.d. uniform random variables
157828
Question about bias-variance tradeoff
38224
Bias-Variance decomposition derivation
94712
Estimator of Variance of Error
97375
efficient and accurate approximation of error function
10730
Proof that regression residual error is an unbiased estimate of error variance
134716
Simultaneous fit to three datasets with measurement errors using different models but same parameters
15530
Variance of sample mean.
79344
Can 30 1-second exposures be combined to a form the equivalent of a single 30s exposure?
89910
Is it possible to find the combined standard deviation?