For a group of 200 candidates, mean was found to 40 but it was discovered later that the scores of 43 and 35 were misread as 34 and 53 respectively. Then the correct mean is

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 of 100 items was found to be 64. Later on it was discovered that two items were misread as 26 and 9 instead of 36 and 90 respectively. The correct mean is

The mean of 100 iterms was found to be 64. Later on it was discovered that two items were misread as 26 and 9 instead of 36 and 90 respectively. Find the correct mean.

The mean of 90 items was found to be 45. Later on it was discovered that two items were misread as 26 and 19 instead of 62 and 09 respectively. The correct mean is

The mean of 100 items was found to be 64. later on, it was discovered that two itens were misread as 26 and 9 instead of 36 and 90 respectively. Find the correct mean.

The mean of 150 items was found to be 60. Later on, it was discoverved that the values of two items were misread as 52 and 8 instead of 152 and 88 respectively. Find the correct mean.

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 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 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.