What area on the status bar is easily can obtain a total average or other inforamtion about the number in a range?

When you select a range of cells, you will see, by default, on the right side of the status bar, "Sum=" followed by the value of the sum of the numeric values in the selected range. You can right click on that part of the status bar and select Average, Count, Max, and other functions to display on the status bar instead of Sum. The value of the function you select, applied to the numbers in the range, will be displayed on the status bar.