If all scores in a set of test scores were the same,the variance would be equal to
A) zero.
B) one.
C) two.
D) None of these

Question

Quizplus · Accepted Answer

If all scores in a set of test scores were the same, there would be no variability among the scores, and therefore the variance would be zero. This is because the variance formula calculates the average of the squared deviations from the mean, and if all the scores are the same, there are no deviations from the mean.

If All Scores in a Set of Test Scores Were