Marc, a high school senior, was given an eighth-grade science exam and he scored 85%. Is this an accurate predictor of how well students in the eighth-grade science class will perform on the exam?

No, because Marc is not representative of the population in the eighth-grade class

No, because Marc scored too high on the test

Yes, because Marc scored high so the test is easy

Yes, because Marc is representative of the population in the eighth-grade class

Question

Marc, a high school senior, was given an eighth-grade science exam and he scored 85%. Is this an accurate predictor of how well students in the eighth-grade science class will perform on the exam? 

 No, because Marc is not representative of the population in the eighth-grade class 

 No, because Marc scored too high on the test 

 Yes, because Marc scored high so the test is easy 

 Yes, because Marc is representative of the population in the eighth-grade class

anonymous · Answer

I think it's A but i'm not to sure. Can anyone help me?

jim_thompson5910 · Answer

Marc is a high school senior (grade 12) and NOT in grade 8

So he will be expected to score higher on the test since he already passed the 8th grade. Of course hey may forget a few things, but overall it should be higher than the average 8th grade score.

So I agree that he's not a good representative.

anonymous · Answer

@jim_thompson5910 thank you

jim_thompson5910 · Answer

you're welcome