Each argument is separated by a comma. You cannot omit arguments from the middle of the argument list. In some functions you can specify parameters at the end of the list by simply omitting them. Excel provides default values. Some examples of various function calls are given below.
Function call is wrong.
All of these functions are simple in that they take only the set of observations as arguments. Since many have a maximum of 30 arguments the data is best passed as a range. The online help in Excel will give the formulas used in the calculation. In the following examples let the observations be the following set of numbers. All of these functions return a measure of the central tendency of data.