The Number of Students at a Local University Increased from 2,500

Multiple Choice

The number of students at a local university increased from 2,500 students to 5,000 students in 10 years. Based on a geometric mean,the university grew at an average percentage rate of

A) 2,500 students per year.
B) 1.072 percent per year.
C) 7.2 percent per year.
D) 250 students per year.