Significance testing on standard deviations
Hi there, I have 30 samples measured using two methods (Method A and Method B) and each sample has been measured 5 times. I have summarised my dataset so I have the mean and standard deviation for each sample on the two methods. I want to compare the within-sample variability between Method A and Method B, matched by sample. Is it ok to perform a paired t-test (or non-parametric equivalent) on the...