Answer:
THATS NOT ENOGH FOR MEto AWNSER-
Step-by-step explanation:
ITS ON GOOGLE
Answer:
A
Step-by-step explanation:
A because the mean absolute deviation of an eighth grade class is less than that of a seventh grade class. Also, the class size is larger on average for eighth graders (35>31).

so.... since the number after .81 is 1, it doesn't really round up to .82, so is just that, 15.81.
1/12. There are 12 possibilities, and only one number under 2.