Problem:
The graph shows the distribution of the number of children in the families of the students in Ms. Jordan's English class. The median number of children in the family for this distribution is
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Putting the number of children in each family in order from least to greatest yields
The median is the middle, or value, which is .
The graph shows families with child, with with with and with . Since there are families under consideration, the middle entry is the entry, which is a family with children.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions