After review the various measures of central tendency, including mean, median, and mode, we discuss how the range of a data set can add some insight into the validity of your statistical analysis of choice.  We will see how adding 56 to each of the data points essentially shifts the data by that same amount.  At about the 10-minute, the video will demonstrate how to use Desmos to visualize and analyze a set (or list) of data; not that you should actually take the time to do this on the test... Duration: 20:35