The average of 8 numbers is 58. If one number 145 is excluded, find the new average.
- A. 36.01
- B. 39.77
- C. 45.57 ✓
- D. 37.03
Correct answer
C. 45.57
Explanation
Total of 8 numbers = 464. New total = 464 - 145 = 319. New average = 319/7 = 45.57.
C. 45.57
Total of 8 numbers = 464. New total = 464 - 145 = 319. New average = 319/7 = 45.57.