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 ...

The first thing any scientist does before performing an experiment is to form a hypothesis about the experiment's outcome. This often takes the form of a null hypothesis, which is a statistical ...

Those who have been in my classes know that I often bring in knowledge from other disciplines to add to our understanding of the process of entrepreneurship. In any given day I might bring in concepts ...

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

In Hypothesis Testing 1, you were introduced to the ideas of hypothesis testing in the context of deciding whether a coin was fair or biased in favor of heads. In this section hypothesis testing ...

It's the initial building block in the scientific method. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A scientific hypothesis is a tentative, ...