When conducting a hypothesis test, which of the following decisions represents an error?
A) Rejecting the null hypothesis when it is true.
B) Rejecting the null hypothesis when it is false.
C) Not rejecting the null hypothesis when it is true.
D) Rejecting the null hypothesis when it is false and not rejecting the null hypothesis when it is true.

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis when it is actually true represents a Type I error, which means the researcher incorrectly concludes that there is evidence for the alternative hypothesis when there is not. This type of error is also known as a false positive.

When Conducting a Hypothesis Test, Which of the Following Decisions