Definition. This function returns the average (arithmetic mean) of the arguments. To calculate the average, the interval-scaled variables are added and then divided by their number.
number1 (required) and number2 (optional). At least one and up to 255 arguments (30 in Excel 2003 and earlier versions) for which you want to calculate the average
Arguments can be numbers, names, arrays, or references containing numbers. If an array or a reference argument contains text, logical values, or empty cells, those values are ignored. However, cells with the value 0 are included.
Background. The arithmetic mean is the best known mean value and is widely accepted among nonstatisticians. Because the mean ...