Fatine conducted a survey on the average number of snaps sent on Snap Chat per day. (5, 5, 10, 10, 15, 20) Tracy sends an average of 45 snaps per day. When her data point is substituted for one of Fatine’s original data points, the new data becomes (5, 5, 10, 10, 15, 45) Which measure of center will be affected the most by substituting Tracy’s data – the mean or median?