The average of 5 numbers is 44. If one number 9 is excluded, find the new average.
- A. 57.52
- B. 52.75 ✓
- C. 60.5
- D. 48.07
Correct answer
B. 52.75
Explanation
Total of 5 numbers = 220. New total = 220 - 9 = 211. New average = 211/4 = 52.75.
B. 52.75
Total of 5 numbers = 220. New total = 220 - 9 = 211. New average = 211/4 = 52.75.