value…: Optionally include one or more additional values or collections of values.
The VARA function finds the sample (unbiased) variance by dividing the sum of the squares of the deviations of the data points by one less than the number of values.
It is appropriate to use VARA when the specified values represent only a sample of a larger population. If the values you are analyzing represent the entire collection or population, use the VARPA function.
The function assigns a value of 0 to any string value, 0 to the boolean value FALSE, and 1 to the boolean value TRUE and includes them in the computation, if all other values are numbers. If there are STDEVAVARPVARPA