Where number1 number2 are the arguments for the function. The mean of a dataset in Excel can be found it by applying the formula Average to the data set. A dialog box will appear.
There is no built-in function that directly computes for the standard error of mean.
B3B12 Finish the formula with and press the Enter key. Where number1 number2 are the arguments for the function. The mean is calculated by adding up a group of numbers and then dividing the sum by the count of those numbers. In the bottom right corner you can find average of the array.