The mean of e observationwas found to be 40 .Later on, it was detected that among the given observation 82 was misread as 28. What is the correct mean
Answers
Answered by
0
mean of 3 observation=40
sum of observation=40*3
=120
later it was found that 82 misread as 28,
therfore, correct sum of mean=120 - 28+82
=202-28
=147
new mean=sum of observation/number of observation
=147/3
= 49
Similar questions