What is the middle? If we have student scores of 4.03.7 3.73.7 1.0 the average would be 3.2 while the median and the modewould both be 3.7. Is one of them really in the middle? Howdispersed is this list? That is how much do the scores varyfrom the middle? Now look at a routine you do every day at work.Which matters most the average time it takes to complete it themost frequent amount of time? How would you go about finding themiddle on the process? How much does the time spent vary?