For a group of 200 candidates the mean and S.D. were found to be 40 and 15 respectively. Later on it was found that the score 43 was misread as 34. Find the correct mean and correct S.D.

For a group of 200 candidates the mean and standard deviation were found to be 40 and 15 repectively . Later on it was found that the score 43 was misread as 34. Find the correct mean and standard deviation.

For a group of 200 students the mean and S.D. of marks obtained by them were found to be 40 and 15 respectively. Later on, it was found that the score 23 was misread as 32. Find the correct mean and correct S.D.

For a group of 200 students the mean and S.D of marks obtained by them were found to be 40 and 15 respectively.Later on,it was found that the score 23 was misread as 32.Find the correct mean and correct S.D

For a group of 200 candidates, the mean and standard deviation of scores were found to be 40 and 15 respectively. Later on if was discovered that the scores of 43 and 35 were misread as 34 and 53 respectively. Find the correct mean and standard derivation corresponding to the correted figures.

The mean and standard deviation of a group of 200 candidates are 40 and 15 respectively. Later on it was found to that one observation 43 was incorrectly copied down as 34. find the correct mean and standard deviation.

For a group of 100 candidatges the mean and standard deviation of their marks were found to be 60 and 15 respectively. Later on it was found that the scores 45 and 72 were wrongly entered as 40 and 27. Find the correct means and standard deviation.

The mean of marks scored by 100 students was found to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct mean.

The mean of marks scored by 100 students was found to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct mean.

The mean of marks scored by 100 students was found to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct mean.