The average of 8 numbers is 50. If one number 72 is excluded, find the new average.
- A. 57.2
- B. 46.86 ✓
- C. 54.33
- D. 53.99
Correct answer
B. 46.86
Explanation
Total of 8 numbers = 400. New total = 400 - 72 = 328. New average = 328/7 = 46.86.
B. 46.86
Total of 8 numbers = 400. New total = 400 - 72 = 328. New average = 328/7 = 46.86.