In the early 20 th century, Guinness breweries in Dublin had a policy of hiring the best graduates from Oxford and Cambridge to improve their industrial processes. At the time, it was considered a ...

Statistical testing in Python offers a way to make sure your data is meaningful. It only takes a second to validate your data ...

Business owners like to know how their decisions will impact their businesses. According to Harvard Business School Online, before making decisions, managers may explore the benefits of hypothesis ...

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 ...

If the P value is less than 5%, reject the null hypothesis; if the P value is .05 or more, don't reject the null hypothesis. Statistics textbooks -- and statisticians for that matter -- focus almost ...

Perhaps one of the most overlooked aspects of ad testing is formulating a hypothesis. Some may choose to skip the hypothesis because it is easier to create a few different ad or landing page ...

Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 49, No. 3 (Dec., 1987), pp. 199-217 (19 pages) When a contingency table has many cells having very small frequencies, possibly ...

One hundred years ago, an English lady, Dr Muriel Bristol, amazed some leading statisticians by proving that she could determine by taste the order in which the constituents are poured in a cup of tea ...