A March 2003 article in the Gainesville Sun about a study at Bostons Childrens Hospital had the

Question:

A March 2003 article in the Gainesville Sun about a study at Boston’s Children’s Hospital had the headline, “New study: Lots of fast food and TV triple risk of obesity.” The response variable was binary, namely whether a child was obese. Define, in terms of this study, the sample statistic to which the “triple risk” refers.