Four numbers, when arranged in the ascending order are w, x, y, and z. The average of the smallest three numbers is 25.5 while the average of the largest three numbers was 29.5. What is the range of the data?

Four numbers, when arranged in the ascending order are w, x, y, and z.

1.	Four numbers, when arranged in the ascending order are w, x, y, and z. The average of the smallest three numbers is 25.5 while the average of the largest three numbers was 29.5. What is the range of the data?
A.	10
B.	12
C.	13
D.	11
Answer» C. 13