When the Scores for a Recent Chemistry Exam Were Calculated

Multiple Choice

When the scores for a recent Chemistry exam were calculated, the mean was 60 and the median was 65. Later the lecturer discovered that one score had been recorded incorrectly; it had been entered into the computer as a 5, instead of as a 50. When this correction is made,

A) the median for the exam will change, but the mean will stay the same.
B) both the mean and the median for the exam will change.
C) the mean for the exam will change, but the median will stay the same.
D) neither the mean nor the median for the exam will be affected.