The average of 5 numbers is 77. If one number 60 is excluded, find the new average.
- A. 69.9
- B. 73.26
- C. 81.25 ✓
- D. 101.38
Correct answer
C. 81.25
Explanation
Total of 5 numbers = 385. New total = 385 - 60 = 325. New average = 325/4 = 81.25.
C. 81.25
Total of 5 numbers = 385. New total = 385 - 60 = 325. New average = 325/4 = 81.25.