The ages (to the nearest year)of the 667 people participating in a large workshop are summarized as shown below. What is true about the median age?
A)It could be any number between 19 and 20.
B)It must be 20.
C)It must be 21.
D)It must be over 21.

Question

The ages (to the nearest year)of the 667 people participating in a large workshop are summarized as shown below.  What is true about the median age?
A)It could be any number between 19 and 20. 
B)It must be 20. 
C)It must be 21. 
D)It must be over 21.

Quizplus · Accepted Answer

The median age is the middle value when the ages are arranged in order from lowest to highest. Since there are 333 people with ages below 20 and 334 people with ages 20 or above, the median age must be the age of the 334th person, which is 20. Therefore, the correct choice is B.

The Ages (To the Nearest Year)of the 667 People Participating