The mathematics SAT scores of the seven students in a mathematics seminar are 538, 550, 570, 593, 610, 622, and 634. Suppose the student with the score 634 drops the seminar and is replaced by a student with a score of 600. What will happen to the mean and the median scores of the class?
A) Neither mean nor median will change.
B) The median will decrease, the mean will not change.
C) The median will not change, the mean will decrease.
D) Both mean and median will decrease.

Question

Quizplus · Accepted Answer

The mean will decrease because the sum of the scores will decrease when 634 is replaced by 600. The median will not change because the middle score (593) remains the same.

The Mathematics SAT Scores of the Seven Students in a Mathematics