It isn't B simply because it says 10% of all students instead of 8th grade students. A isn't true because it says that nothing is able to be concluded from that information, which isn't true since the information states that 10% of the 8th graders at that school were reading below grade level.
Step-by-step explanation:
I would say that you can't conclude much. It depends on the size of the sample.
It depends on how seriously people took the test.
It depends on what their reading was like when they enrolled. Only 10% might be a huge improvement from where the school started.
It depends on what phase the moon was in when they took the test.
It depends on the time of day.
C
Step-by-step explanation:
It isn't B simply because it says 10% of all students instead of 8th grade students. A isn't true because it says that nothing is able to be concluded from that information, which isn't true since the information states that 10% of the 8th graders at that school were reading below grade level.
Ask 129 randomly selected people from a list of young adults registered to the library.
Ask 129 randomly selected people from a list of young adults registered to the library.