A compelling study of the Pima Indians in Arizona and Mexico was conducted. The Pima Indians who liv

A compelling study of the Pima Indians in Arizona and Mexico was conducted. The Pima Indians who live in Mexico continue to eat a diet that is high in vegetables and low in fat and sugars, while the Pima Indians who live in Arizona eat more like mainstream Americans. Which of the following best describes the result of this study?
a.   The Mexican Pima Indians have a BMI that is 80% higher than the American Pima Indians.
b.   The Mexican and American Pima Indians have equal BMIs.
c.   The American Pima Indians have an average BMI that is 50% higher than the Mexican Pima Indians.
d.   The study was a hoax to argue that eating a traditional diet was healthier, which is not true.