Music students and art students at a middle school were surveyed to choose a cardiovascular activity: playing sports or dancing.

Do you prefer dancing or playing sports?
Playing sports Dancing Row totals
Music students 25 27 52
Art students 17 31 48
Column totals 42 58 100


What is the marginal frequency of students who chose dancing?
A. 27
B. 31
C. 48
D. 58