The number of years of service of the eight employees in a production department are 15, 10, 9, 17, 6, 4, 14 and 16. What is the range in the number of years of service of the eight employees?
A. 10
B. 11
C. 12
D. 13
E. 14
The OA is D
Source: GMAT Prep
A. 10
B. 11
C. 12
D. 13
E. 14
The OA is D
Source: GMAT Prep
















