The average of 7 numbers is 37. If one number 77 is excluded, find the new average.
- A. 23.47
- B. 30.33 ✓
- C. 25.41
- D. 32.94
Correct answer
B. 30.33
Explanation
Total of 7 numbers = 259. New total = 259 - 77 = 182. New average = 182/6 = 30.33.
B. 30.33
Total of 7 numbers = 259. New total = 259 - 77 = 182. New average = 182/6 = 30.33.