Two groups of students were asked how far they lived from their school. the table below shows the distances in miles: group a (distance in miles) 1 1.5 3 3.2 2.8 1.5 1.8 2.5 2.2 group b (distance in miles) 2 2.5 3.2 3 1.8 2.4 3 1.5 1.8 which statement best compares the mean distances for the two groups? it is equal for group a and group b. it is greater for group b than group a. its value for group a is double its value for group b. its value for group b is double its value for group a.