The following data sets show the times different safety features for a product falled in a serles of tests. On average, which feature behaved most erratically?
Feature 1: [16, 17, 19)
Feature 2: (15, 12, 15)
Feature 3: [14, 18, 11)
Feature 4: [10, 19, 10)
0 1
02
03
04

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%