The average of 10 numbers is 68. If one number 8 is excluded, find the new average.
- A. 78.72
- B. 69.14
- C. 74.67 ✓
- D. 70.92
Correct answer
C. 74.67
Explanation
Total of 10 numbers = 680. New total = 680 - 8 = 672. New average = 672/9 = 74.67.
C. 74.67
Total of 10 numbers = 680. New total = 680 - 8 = 672. New average = 672/9 = 74.67.