Answer: OPTION (D):
OPTION (D): The Mean Number of Flyers Handed out would DECREASE.
Leah realized that She Had Left out a student who handed out Forty-Two (42) Flyers, which would have resulted in a Decrease in the Overall, and Hence, a Decrease in the Average.
Therefore, OPTION (D): The Mean Number of Flyers Handed out would DECREASE.
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