Questions tagged [repeatability]

When calculating the repeatability, like when you want to know how good the measurement of the length of a ruler is, I often read that it is sufficient to calculate the standard deviation. I wonder about why not using a confidence interval? Or also…

I want to evaluate the repeatability of measures for a force device (the same records consecutively at the same conditions with the same device). Is there some option to check how many measures are required? A few may be due to chance or the error…

I am fairly new to statistics and hoping someone can provide some advice on some analysis I'd like to do. I am looking to analyse the effects of covariates on the repeatability/variability of a continous variable. The continous variable is a blood…