Question

3. Jason and Eric discovered that the

means of their grades for the first
marking period in their math class
were identical. They also noticed that
the standard deviation of Jason's
grades is 20.7, while the standard
deviation of Eric's grades is 2.7. Which
statement must be true?
(1) In general, Eric's grades were lower
than Jason's grades.
(2) Eric's grades are more consistent than
Jason's grades
(3) Eric had more failing grades during the
marking period than Jason had.
(4) The median for Eric's grades is lower
than the median for Jason's grades.

Answer 1

I think is two because it’s the best answer that should be right though if not oml

Answer 2

2

Explanation:

MAD stands for mean absolute deviation.
The larger the MAD, the more spread out the data set is.

This means that Jason’s grades must vary more.