The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows: The median age of the faculty members is:
A)39 years.
B)45 years.
C)47.5 years.
D)49 years.

Question

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows:  The median age of the faculty members is:
A)39 years. 
B)45 years. 
C)47.5 years. 
D)49 years.

Quizplus · Accepted Answer

The stemplot shows that the middle two numbers (or median) are 47 and 48.5. The average of these two numbers is 47.75, which rounds to 47.5 years. Therefore, the median age of the faculty members is 47.5 years.

The 18 Faculty Members in a College Math Department Range