There Is Growing Concern Over a Possible Causal Link Between

Multiple Choice

There is growing concern over a possible causal link between consumption of diet soda and obesity. Gallup took in 2013 a nationally representative sample of 2027 adults and asked them about their soda consumption. In the sample, 921 adults described themselves as overweight, and 32% of those individuals said that they mostly drink diet soda. The remaining 1106 adults described themselves as about the right weight, and 19% of those individuals said that they mostly drink diet soda. What is the odds ratio of drinking mostly diet soda, using overweight individuals as the target population and about-right-weight individuals as the reference population?

A) 1.2
B) 1.7
C) 2.0
D) 9.1