Which conclusions can be drawn from the results of the survey? Check all that apply.
There is no association between using social
media and grade level.
The probability a student uses social media, given
that he or she is in a
A student who is more likely to not use social
media is in 8th grade.
An 8th grader is more likely to use social media
than not.
Knowing a student's grade level does not help
determine if he or she uses social media.