2 v 3 4 v 5 6 7 The numbers of students in the 10 schools in a district are given below. (Note that these are already ordered from least to greatest. ) 72, 192, 220, 229, 251, 254, 268, 281, 282, 291 Send data to calculator Suppose that the number 72 from this list changes to 172. Answer the following. (a) What happens to the median? It decreases by It increases by It stays the same. (b) What happens to the mean? It decreases by 0 It increases by 0. It stays the same. X