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There are 25 students in a class at the beginning of the school year and the average number of siblings for each student is three. A new student with eight siblings joins the class in November. Does the average number of siblings that each student has increase, decrease or stay the same?

2 Answers

6 votes
The average number of siblings that each student has will increase.
User Ravikumar B
by
8.5k points
4 votes

because the sibling of new student is more than the average, so the total average would be increased.

User Elad Weiss
by
7.0k points
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