How Well Does the Number of Beers a Student Drinks

question 32

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.

---

Definitions:

Signal

An act, gesture, or piece of information that conveys a message, intention, or desired action to another party.

Predict

To foretell or estimate the likelihood of a future event or trend based on current knowledge or analysis.

Encoding

The process of converting information into a form that can be communicated or processed.

Symbolic Form

The representation of ideas, principles, or phenomena through symbols rather than explicit or direct forms.