The average of 8 numbers is 69. If one number 47 is excluded, find the new average.
- A. 64.67
- B. 85.25
- C. 72.14 ✓
- D. 58.26
Correct answer
C. 72.14
Explanation
Total of 8 numbers = 552. New total = 552 - 47 = 505. New average = 505/7 = 72.14.
C. 72.14
Total of 8 numbers = 552. New total = 552 - 47 = 505. New average = 505/7 = 72.14.