How Well Does the Number of Beers a Student Drinks

Multiple Choice

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. The scatterplot above shows

A) a moderately strong negative straight-line relationship between number of beers and BAC.
B) a weak negative straight-line relationship between number of beers and BAC.
C) almost no relationship between number of beers and BAC.
D) a weak positive straight-line relationship between number of beers and BAC.
E) a moderately strong positive straight-line relationship between number of beers and BAC.