 Statistics and Excel. Standard deviation versus average deviation. Get ready, taking a deep breath, holding it in for 10 seconds, looking forward to a smooth soothing Excel. Here we are in Excel. If you don't have access to this workbook, that's okay because we basically built this from a blank worksheet, however, starting in a prior presentation. If you do have access to this workbook, three tabs down below. Example, practice blank. Example, in essence, answer key. Practice tab having pre-formatted cells so you can get right to the heart of the practice problem. The blank tab, we started with just a blank sheet so that we can practice formatting the cells within Excel as we work through the practice problem. Let's do a quick recap of what we have done in prior presentations as we have been calculating the average deviation and the standard deviation.