On calculation means (average) of 15 numbers was 64. One of the number 24 was misread as 34. What is the correct means?
A ) 73.3
B ) 63.3 ✅
C ) 53.3
D ) 43.3
Explanation:
Total number 15 ×64=960 24 was misread as 34 so actual no is 10 more so subtract 10 from 960 which is 960-10 = 950 now divide 950 by total number which is 15 950/15 = 63.33