William James famously wrote, “Everyone knows what attention is”. Yet cognitive scientists are still struggling to come up with a clear definition of attention. The same might be said of confidence.

For survival probabilities with censored data, Rothman (1978, Journal of Chronic Diseases 31, 557-560) has recommended the use of quadratic confidence limits based on the assumption that the product ...

Confidence intervals show the likelihood a data range contains the true mean, aiding investment decisions. A wider interval suggests lower estimate accuracy, influencing market and risk analysis ...