Not only will the status bar display the sum, average, and count, you can customize it to show you the information you need.
To customize the status bar, all you need to do is right-click on it.
To enable an item, all you have to do is click on it.
For instance, you would like the status bar to show you if you’re on caps lock and num lock.
To do so, simply enable them on the status bar.
If I turn on caps lock and num lock on my keyboard, the status bar will let me know.