Enter this formula in the cell in which you need the value of Standard Error of the Mean. Basically, Standard Error of the Mean = Standard Deviation/square root of number of samples I hope it helps!

The formula for calculating the standard error of the mean is the sample standard deviation divided by the square root of the sample size.

Michael E. Tarter, Mean Integrated Squared Error Sampling, Journal of the American Statistical Association, Vol. 81, No. 393 (Mar., 1986), pp. 234-242 ...