Please help with my college algebra homework!

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%

Standard deviation of 19,29,21,22,23

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.