Hosted on MSN

P-Value: What It Is, How to Calculate It, and Why It Matters

Reviewed by David KindnessFact checked by Yarilet PerezReviewed by David KindnessFact checked by Yarilet Perez In statistics, a p-value is defined as In statistics, a p-value indicates the likelihood ...
The Motley Fool

What Does P-Value Mean?

A small p-value often means the observed data effect is statistically significant. Set a significance level to compare with the p-value to validate investment hypotheses. Utilizing p-values in Excel ...
The Conversation

The problem with p values: how significant are they, really?

Geoff Cumming has received funding from the Australian Research Council. For researchers there’s a lot that turns on the p value, the number used to determine whether a result is statistically ...
University of Bristol

6 Estimation & hypothesis testing

Confidence intervals and hypothesis tests are directly linked. Confidence intervals can be used to check the reasonableness of claims about the parameter. If someone claims the parameter is equal to ...
JSTOR Daily

Testing a Point Null Hypothesis: The Irreconcilability of P Values and Evidence: Comment

The Journal of the American Statistical Association (JASA) has long been considered the premier journal of statistical science. Science Citation Index reported JASA was the most highly cited journal ...