Recently, FDA told a medical device start-up company that, in regard to the company’s proposed clinical trial, “The equivalence of the device to the predicate can be demonstrated if the confidence ...

This is a preview. Log in through your library . Abstract This paper obtains and explores a family of confidence procedures for the mean of a normal distribution which are, in a certain sense, more ...

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 ...

We derive upper bounds for the coverage error of confidence intervals for a population mean uniformly over large classes of populations and different types of ...

1. What is the problem with the typical use and interpretation of the t-ratio for inference in just-identified IV models? Practitioners typically use the critical values ±1.96 for the IV t-ratio when ...