Assuming that the null hypothesis is true, a p-value is the probability of observing a sample value greater than and/or less than an observed sample observation.

Question

Quizplus · Accepted Answer

A p-value is the probability of obtaining a test statistic at least as extreme as the one observed, assuming the null hypothesis is true. It measures how likely the observed data would occur under the null hypothesis.

Assuming That the Null Hypothesis Is True, a P-Value Is