The mean of 30 observations is 25. If two observations 30 and 60 are misread as 20 and 40, then find the correct mean.

The mean of 5 observations is 14. If one of the observations is wrongly read as 10 for 30, then find out the correct mean

The mean of 50 observations is 36. If two observations 30 and 42 are deleted, then mean of the remaining observations is

The mean of 100 observations is 40. It is found that an observation 53 was misread as 83. Find the correct mean.

The mean of 100 observations is 40. It is found that an observation 53 was misread as 83. Find the correct mean.

The mean of 50 observations is 36. If its two observations 30 and 42 are deleted,then the mean of the remaining observations is

The arithmetic mean of 12 observations is 15. If two observations 20 and 25 are removed then the arithmetic mean of remaining observations is

The arithmetic of 12 observations is 15. If two observations 20 and 25 are removed then the arithmetic mean of remaining observations is

The mean of 50 observation is 36. if two observation 30 and 42 are to be excluded, then the mena of the reamining observations will be-

The mean of a data set consisting of 20 observation is 40. If one observation 53 was wrongly recorded as 33, then the correct mean will be