The correct answer is that there is more variability in the heights of the volleyball team members.
The mean absolute deviation shows us how spread out the data is, so the larger the mean absolute deviation the higher the variability.
Both teams have players that are 76 inches tall, so the last two statements cannot be true.
See the attached picture:
divide total bags by number of hours
30 bags / 3 hors = 10 bags per hour
he racked 10 bags per hour