The average of 7 numbers is 74. If one number 25 is excluded, find the new average.
- A. 72.66
- B. 69.14
- C. 82.17 ✓
- D. 75.59
Correct answer
C. 82.17
Explanation
Total of 7 numbers = 518. New total = 518 - 25 = 493. New average = 493/6 = 82.17.
C. 82.17
Total of 7 numbers = 518. New total = 518 - 25 = 493. New average = 493/6 = 82.17.