Take another example: The annual return of a particular mutual fund is claimed to be 8%. Assume that the mutual fund has been in existence for 20 years. The null hypothesis is that the mean return ...

The null hypothesis offers a unique approach to identifying weaknesses in business models, fostering innovation. Business Insider Subscribe Newsletters ...

Some unpublished null findings are on important topics, like whether public reporting of physician’s outcomes leads physicians to “game the system” and alter the care that they provide patients.

In hypothesis testing, an analyst tests a statistical sample, intending to provide evidence on the plausibility of the null hypothesis. Statistical analysts measure and examine a random sample of ...