What is the definition for p value

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Quizplus · Accepted Answer

P value is a statistical measure representing the probability of finding the observed or more extreme results if the null hypothesis (the default assumption that there is no significant difference between two groups) is true. A p-value less than or equal to 0.05 (5%) is generally considered statistically significant and indicates that the null hypothesis can be rejected. Conversely, a p-value greater than 0.05 means that the null hypothesis cannot be rejected, and the difference between the groups may be due to chance or other factors.

What Is the Definition for P Value