The average of 6 numbers is 48. If one number 15 is excluded, find the new average.
- A. 65.17
- B. 54.6 ✓
- C. 68.15
- D. 68.02
Correct answer
B. 54.6
Explanation
Total of 6 numbers = 288. New total = 288 - 15 = 273. New average = 273/5 = 54.6.
B. 54.6
Total of 6 numbers = 288. New total = 288 - 15 = 273. New average = 273/5 = 54.6.