The average of 8 numbers is 34. If one number 15 is excluded, find the new average.
- A. 33.59
- B. 40.51
- C. 36.71 ✓
- D. 28.46
Correct answer
C. 36.71
Explanation
Total of 8 numbers = 272. New total = 272 - 15 = 257. New average = 257/7 = 36.71.
C. 36.71
Total of 8 numbers = 272. New total = 272 - 15 = 257. New average = 257/7 = 36.71.