In calculating the mean of 35 observations, a student wrongly copies a reading as 135 and gets the mean 0.3 more than the true mean.

While calculating the mean and variance of 10 readings, a student wrongly used the reading 52 for the correct reading 25. he obtained the mean and variance as 45 and 16 respectively. Find the correct mean and the variance .

While calculating the mean and variance of 10 redings,a student wrongly used the reading 52 for the correct reading 25.He obtained the mean and variance as 45 and 16 respectively .Find the correct mean and the variance .

While calculating the mean and variance of 10 redings,a student wrongly used the reading 52 for the correct reading 25.He obtained the mean and variance as 45 and 16 respectively .Find the correct mean and the variance .

While calculating eh mean and variance of 10 readings, a student wrongly used the reading of 52 for the correct reading 25. He obtained the mean and variance as 45 and 16 respectively. Find the correct mean and the variance.

While calculating mean and variance of 10 readings, a student wrongly used the reading of 52 for the correct reading 25. He obtained the mean and variance as 45 and 16 respectively. Find the correct mean and the variance.

While calculating eh mean and variance of 10 readings,a student wrongly used the reading of 52 for the correct reading 25. He obtained the mean and variance as 45 and 16 respectively.Find the correct mean and the variance.

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 40 observations was 160. It was detected that the value of 165 was wrongly copied as 125. Find the correct mean.

The mean of 25 observations is 72. It was detected that one observation 53 was wrongly copied as 78. Find the correct mean.

The mean of 25 observations is 72. It was detected that one observation 53 was wrongly copied as 78. Find the correct mean.