If an outlier exists in graphed test-related data it may signal
A) a problem in the wording of one of the test questions.
B) the need to re-administer the test.
C) a fatal flaw in the test's design.
D) Both a problem in the wording of one of the test questions and a fatal flaw in the test's design.

Question

Quizplus · Accepted Answer

An outlier may indicate a problem in the wording of one of the test questions, but it does not necessarily mean that there is a fatal flaw in the test's design or that the test needs to be re-administered. Unless there is additional evidence that the test as a whole is flawed or invalid, it may be more efficient to address the specific question that produced the outlier rather than scrapping the entire test.

If an Outlier Exists in Graphed Test-Related Data It May