1. Jason and Eric discovered that the means of their grades for the first six weeks in their math classes were identical. They also noticed that the mean average deviation of
Jason's grades is 20.7, while the mean average deviation of Eric's grades is 2.7. Which
statement must be true?
A.
B.
In general, Eric's grades were lower than Jason's grades.
Eric's grades are more consistent than Jason's grades.
Eric had more failing grades during the six weeks than Jason did.
The median for Eric's grades is lower than the median for Jason's grades.
D.