How well does the number of beers a student drinks predict his or her blood alcohol content? Sixteen student volunteers at The Ohio State University drank a randomly assigned number of cans of beer. Thirty minutes later, a police officer measured their blood alcohol content (BAC). A scatterplot of the data appears below. One student drank 9 beers. You see from the scatterplot that his BAC was about
A) 0.20.
B)5)
C)7)
D)9)
E) 20.

Question

How well does the number of beers a student drinks predict his or her blood alcohol content? Sixteen student volunteers at The Ohio State University drank a randomly assigned number of cans of beer. Thirty minutes later, a police officer measured their blood alcohol content (BAC). A scatterplot of the data appears below.  One student drank 9 beers. You see from the scatterplot that his BAC was about
A) 0.20. 
B)5) 
C)7) 
D)9) 
E) 20.

Quizplus · Accepted Answer

From the scatterplot, we can see that the highest BAC value is around 0.2 and the student who drank 9 beers has a BAC value that is approximately at this level. Thus, the best choice is A) 0.20.

How Well Does the Number of Beers a Student Drinks