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SAT数学-平均数中数众数 Example 11

Question 1
The median age of a group of 15 students is 17 years. If the oldest student in the group is 20 years old, which of the following could be the number of 17 year olds in the group?
A
B
C
D
E
Question 1 Explanation: 
There is 1 question to complete.
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Shaded items are complete.
1
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