The average of 7 numbers is 65. If one number 52 is excluded, find the new average.
- A. 76.61
- B. 51.79
- C. 67.17 ✓
- D. 50.72
Correct answer
C. 67.17
Explanation
Total of 7 numbers = 455. New total = 455 - 52 = 403. New average = 403/6 = 67.17.
C. 67.17
Total of 7 numbers = 455. New total = 455 - 52 = 403. New average = 403/6 = 67.17.