If the standard deviation of a test was σ = 0, this would mean that
A) everyone got the same score.
B) everyone scored very low on the test.
C) everyone scored very high on the test.
D) This result is not possible.

Question

Quizplus · Accepted Answer

A standard deviation of 0 indicates that there is no variability in the scores, and therefore everyone received the same score. This is only possible if the test was constructed in a way that did not allow for any differentiation in performance.

If the Standard Deviation of a Test Was σ =