Decreasing the significance level of a hypothesis test (say, from 5% to 1%) will cause the p-value of an observed test statistic to
A) increase.
B) decrease.
C) stay the same.

Question

Quizplus · Accepted Answer

The p-value is a measure of the evidence against the null hypothesis provided by the data, and it is calculated based on the observed test statistic. Changing the significance level does not affect the p-value itself; it only affects the threshold for deciding whether to reject the null hypothesis.

Decreasing the Significance Level of a Hypothesis Test (Say, from 5