Question

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 1.589.26.84.54.82.50.76

Group B (distance in miles)22.53.231.31.82.431.51.8

Which statement best compares the mean distances for the two groups?

A. It is equal for Group A and Group B.

B. It is greater for Group B than Group A.

C. Its value for group A is double the value for Group B.

D. Its value for group B is three times the value for Group A.

Answer 1

The best answer is C because 2.17 x 2=4.34

C. Its value for group A is double the value for Group B.