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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 ...
University of Sheffield

Introduction to Hypothesis tests

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 ...