A researcher computes a test statistic and finds that the p value for this test is .03.What does this result mean?
A) There is a 3% likelihood of obtaining the test statistic value, if the null were true.
B) The probability of committing a Type I error if we retain the null hypothesis is 3%.
C) The probability of committing a Type II error if we reject the null hypothesis is 3%.
D) There is a 3% likelihood that the researcher's hypothesis is correct.

Question

Quizplus · Accepted Answer

The p value represents the probability of obtaining the test statistic or more extreme values, assuming that the null hypothesis is true. In this case, a p value of .03 means that there is a 3% likelihood of obtaining the observed test statistic, or a more extreme value, if the null hypothesis were true.

A Researcher Computes a Test Statistic and Finds That the P