mean of 100 observation is 40 it is found that an observation 53 was misread as 83 find the correct mean
Answers
Answered by
6
a +b+ c :.... 99 observation + 83 = 4000
a+b+c +... 99th observation + 53 = 4000 - 30 = 3970
a+b+c +... 99th observation + 53 = 4000 - 30 = 3970
Similar questions