In Mrs. Trainer's math class, Siobhan's first five math quiz scores are 70, 98, 83, 66, and 41. Siobhan takes the sixth math quiz and scores an 81.
How will the mean change if the sixth score is added to the list?
A. The mean will increase.
B. The mean will decrease.
C. There is not sufficient information.
D. The mean will not change.
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