A P value in statistics is
A)a measure of the accuracy of a data set.
B)the probability of getting the observed data distribution by chance.
C)arbitrarily set depending on a statistical test.
D)a measure of the accuracy of a statistical test.
E)None of these

Question

Quizplus · Accepted Answer

A P value in statistics represents the probability of getting the observed data distribution by chance. It is a measure of the strength of evidence against the null hypothesis. The smaller the P value, the stronger the evidence against the null hypothesis. A P value is not a measure of the accuracy of the data set or the statistical test, nor is it arbitrarily set.

A P Value in Statistics Is