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 ...

In controlled group sequential trials, we consider the ratio of normal means as the effect measure of interest and derive group sequential nested confidence intervals on this parameter. In an interim ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

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 ...

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 ...

Sometimes it’s hard to have confidence in science. So many results from published scientific studies turn out to be wrong. Part of the problem is that science has trouble quantifying just how ...

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