from what I can remember the mean is the average of all numbers and the median is the middle number from order and the mode is the most common number. They differ from each other because they all calculate something different when numbers are presented in different combinations, but they are all result to some specific statistic. I believe it's necessary because research need to have accuracy in data collected. and in statistics depending on time frame the calculations may fluctuate and change periodically. The only thing remotely number related to my career field is count and average of how many clients we have the estimate of how many are leaving and or coming. because we cannot go over 400 in or clients for the program, we provide we have to also determine who we want to keep and transfer out so the most relatable one would be Mean or (Average) second would be (mode). how to respond