The table shows the number of minutes per day students spend outside of school reading and doing their math homework.
Number of minutes reading
15, 15, 15, 20, 30, 30, 30, 30, 45, 60
Number of minutes doing math homework
25, 30, 30, 30, 30, 40, 45, 45, 55, 60
What is the difference of the means as a multiple of the approximate mean absolute deviations?
Enter the correct answer in the box.