Business, like many other fields, can benefit from the use of statistics in estimating or predicting future events. An important tool for business statistics is a confidence interval, which helps a ...

Geoff Cumming receives funding from the Australian Research Council. Such research findings sound exciting because the word significant suggests important and large. But researchers often use the word ...

Let X1,... ,Xn be a sequence of independent random vectors, such that the first k of this sequence, X1,... ,Xk have a common multivariate normal distribution $N_{p ...

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 ...

Understanding the confidence interval will help you grasp what an election poll is -- or is not -- saying. As you might have guessed, the media consistently gets it wrong. Candidate Gobermouch is ...