If mean and standard deviation of 25 observations is 60 and 3 Later an observation 60 is omitted - Maths - Statistics

Question

If mean and standard deviation of 25 observations is 60 and 3 Later
an observation 60 is omitted Find new mean and standard deviation

Atul Shaw · Accepted Answer

If mean and standard deviation of 25 observations is 60 and 3. Later an observation 60 is omitted. Find new mean and standard deviation.